mirror of
https://github.com/openwrt/openwrt.git
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f2c1e05f37
SVN-Revision: 17665
488 lines
16 KiB
Diff
488 lines
16 KiB
Diff
From 20fb4fd1e317dadaaaaeb9c153098b57d0fc86fe Mon Sep 17 00:00:00 2001
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From: Lars-Peter Clausen <lars@metafoo.de>
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Date: Tue, 21 Jul 2009 12:47:03 +0200
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Subject: [PATCH] 056-pcf50633.patch
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---
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drivers/mfd/pcf50633-core.c | 16 +++--
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drivers/power/pcf50633-charger.c | 121 ++++++++++++++++++++++++++++---
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drivers/regulator/pcf50633-regulator.c | 60 +++++++++++++---
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drivers/rtc/rtc-pcf50633.c | 12 +++-
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include/linux/mfd/pcf50633/core.h | 5 +-
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5 files changed, 180 insertions(+), 34 deletions(-)
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diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
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index 8d3c38b..e81c967 100644
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--- a/drivers/mfd/pcf50633-core.c
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+++ b/drivers/mfd/pcf50633-core.c
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@@ -15,6 +15,7 @@
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#include <linux/kernel.h>
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#include <linux/device.h>
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#include <linux/sysfs.h>
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+#include <linux/device.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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@@ -345,6 +346,8 @@ static void pcf50633_irq_worker(struct work_struct *work)
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goto out;
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}
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+ pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN, 0x04 ); /* defeat 8s death from lowsys on A5 */
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+
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/* We immediately read the usb and adapter status. We thus make sure
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* only of USBINS/USBREM IRQ handlers are called */
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if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) {
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@@ -482,13 +485,13 @@ pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name,
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}
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#ifdef CONFIG_PM
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-static int pcf50633_suspend(struct device *dev, pm_message_t state)
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+static int pcf50633_suspend(struct i2c_client *client, pm_message_t state)
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{
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struct pcf50633 *pcf;
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int ret = 0, i;
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u8 res[5];
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- pcf = dev_get_drvdata(dev);
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+ pcf = i2c_get_clientdata(client);
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/* Make sure our interrupt handlers are not called
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* henceforth */
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@@ -523,12 +526,12 @@ out:
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return ret;
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}
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-static int pcf50633_resume(struct device *dev)
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+static int pcf50633_resume(struct i2c_client *client)
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{
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struct pcf50633 *pcf;
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int ret;
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- pcf = dev_get_drvdata(dev);
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+ pcf = i2c_get_clientdata(client);
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/* Write the saved mask registers */
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ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M,
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@@ -625,6 +628,7 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
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}
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if (client->irq) {
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+ set_irq_handler(client->irq, handle_level_irq);
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ret = request_irq(client->irq, pcf50633_irq,
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IRQF_TRIGGER_LOW, "pcf50633", pcf);
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@@ -683,12 +687,12 @@ static struct i2c_device_id pcf50633_id_table[] = {
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static struct i2c_driver pcf50633_driver = {
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.driver = {
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.name = "pcf50633",
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- .suspend = pcf50633_suspend,
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- .resume = pcf50633_resume,
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},
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.id_table = pcf50633_id_table,
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.probe = pcf50633_probe,
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.remove = __devexit_p(pcf50633_remove),
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+ .suspend = pcf50633_suspend,
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+ .resume = pcf50633_resume,
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};
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static int __init pcf50633_init(void)
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diff --git a/drivers/power/pcf50633-charger.c b/drivers/power/pcf50633-charger.c
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index e8b278f..41fa421 100644
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--- a/drivers/power/pcf50633-charger.c
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+++ b/drivers/power/pcf50633-charger.c
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@@ -36,6 +36,7 @@ struct pcf50633_mbc {
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struct power_supply usb;
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struct power_supply adapter;
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+ struct power_supply ac;
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struct delayed_work charging_restart_work;
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};
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@@ -47,16 +48,21 @@ int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma)
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u8 bits;
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int charging_start = 1;
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u8 mbcs2, chgmod;
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+ unsigned int mbcc5;
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- if (ma >= 1000)
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+ if (ma >= 1000) {
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bits = PCF50633_MBCC7_USB_1000mA;
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- else if (ma >= 500)
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+ ma = 1000;
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+ } else if (ma >= 500) {
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bits = PCF50633_MBCC7_USB_500mA;
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- else if (ma >= 100)
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+ ma = 500;
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+ } else if (ma >= 100) {
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bits = PCF50633_MBCC7_USB_100mA;
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- else {
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+ ma = 100;
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+ } else {
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bits = PCF50633_MBCC7_USB_SUSPEND;
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charging_start = 0;
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+ ma = 0;
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}
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ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7,
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@@ -66,7 +72,22 @@ int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma)
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else
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dev_info(pcf->dev, "usb curlim to %d mA\n", ma);
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- /* Manual charging start */
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+ /*
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+ * We limit the charging current to be the USB current limit.
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+ * The reason is that on pcf50633, when it enters PMU Standby mode,
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+ * which it does when the device goes "off", the USB current limit
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+ * reverts to the variant default. In at least one common case, that
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+ * default is 500mA. By setting the charging current to be the same
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+ * as the USB limit we set here before PMU standby, we enforce it only
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+ * using the correct amount of current even when the USB current limit
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+ * gets reset to the wrong thing
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+ */
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+
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+ mbcc5 = (ma << 8) / mbc->pcf->pdata->chg_ref_current_ma;
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+ if (mbcc5 > 255)
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+ mbcc5 = 255;
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+ pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5);
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+
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mbcs2 = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
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chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK);
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@@ -81,7 +102,7 @@ int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma)
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PCF50633_MBCC1_RESUME, PCF50633_MBCC1_RESUME);
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mbc->usb_active = charging_start;
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-
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+
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power_supply_changed(&mbc->usb);
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return ret;
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@@ -156,9 +177,44 @@ static ssize_t set_usblim(struct device *dev,
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static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, set_usblim);
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+static ssize_t
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+show_chglim(struct device *dev, struct device_attribute *attr, char *buf)
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+{
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+ struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
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+ u8 mbcc5 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC5);
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+ unsigned int ma;
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+
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+ ma = (mbc->pcf->pdata->chg_ref_current_ma * mbcc5) >> 8;
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+
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+ return sprintf(buf, "%u\n", ma);
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+}
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+
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+static ssize_t set_chglim(struct device *dev,
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+ struct device_attribute *attr, const char *buf, size_t count)
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+{
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+ struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
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+ unsigned long ma;
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+ unsigned int mbcc5;
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+ int ret;
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+
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+ ret = strict_strtoul(buf, 10, &ma);
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+ if (ret)
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+ return -EINVAL;
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+
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+ mbcc5 = (ma << 8) / mbc->pcf->pdata->chg_ref_current_ma;
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+ if (mbcc5 > 255)
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+ mbcc5 = 255;
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+ pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5);
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+
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+ return count;
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+}
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+
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+static DEVICE_ATTR(chg_curlim, S_IRUGO | S_IWUSR, show_chglim, set_chglim);
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+
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static struct attribute *pcf50633_mbc_sysfs_entries[] = {
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&dev_attr_chgmode.attr,
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&dev_attr_usb_curlim.attr,
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+ &dev_attr_chg_curlim.attr,
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NULL,
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};
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@@ -239,6 +295,7 @@ pcf50633_mbc_irq_handler(int irq, void *data)
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power_supply_changed(&mbc->usb);
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power_supply_changed(&mbc->adapter);
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+ power_supply_changed(&mbc->ac);
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if (mbc->pcf->pdata->mbc_event_callback)
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mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq);
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@@ -248,8 +305,7 @@ static int adapter_get_property(struct power_supply *psy,
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enum power_supply_property psp,
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union power_supply_propval *val)
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{
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- struct pcf50633_mbc *mbc = container_of(psy,
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- struct pcf50633_mbc, adapter);
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+ struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, adapter);
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int ret = 0;
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switch (psp) {
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@@ -269,10 +325,34 @@ static int usb_get_property(struct power_supply *psy,
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{
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struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, usb);
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int ret = 0;
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+ u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
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+ PCF50633_MBCC7_USB_MASK;
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switch (psp) {
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case POWER_SUPPLY_PROP_ONLINE:
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- val->intval = mbc->usb_online;
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+ val->intval = mbc->usb_online &&
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+ (usblim <= PCF50633_MBCC7_USB_500mA);
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+ break;
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+ default:
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+ ret = -EINVAL;
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+ break;
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+ }
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+ return ret;
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+}
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+
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+static int ac_get_property(struct power_supply *psy,
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+ enum power_supply_property psp,
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+ union power_supply_propval *val)
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+{
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+ struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, ac);
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+ int ret = 0;
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+ u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
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+ PCF50633_MBCC7_USB_MASK;
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+
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+ switch (psp) {
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+ case POWER_SUPPLY_PROP_ONLINE:
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+ val->intval = mbc->usb_online &&
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+ (usblim == PCF50633_MBCC7_USB_1000mA);
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break;
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default:
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ret = -EINVAL;
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@@ -337,6 +417,17 @@ static int __devinit pcf50633_mbc_probe(struct platform_device *pdev)
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mbc->usb.supplied_to = mbc->pcf->pdata->batteries;
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mbc->usb.num_supplicants = mbc->pcf->pdata->num_batteries;
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+ mbc->ac.name = "ac";
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+ mbc->ac.type = POWER_SUPPLY_TYPE_MAINS;
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+ mbc->ac.properties = power_props;
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+ mbc->ac.num_properties = ARRAY_SIZE(power_props);
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+ mbc->ac.get_property = ac_get_property;
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+ mbc->ac.supplied_to = mbc->pcf->pdata->batteries;
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+ mbc->ac.num_supplicants = mbc->pcf->pdata->num_batteries;
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+
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+ INIT_DELAYED_WORK(&mbc->charging_restart_work,
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+ pcf50633_mbc_charging_restart);
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+
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ret = power_supply_register(&pdev->dev, &mbc->adapter);
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if (ret) {
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dev_err(mbc->pcf->dev, "failed to register adapter\n");
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@@ -352,9 +443,15 @@ static int __devinit pcf50633_mbc_probe(struct platform_device *pdev)
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return ret;
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}
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- INIT_DELAYED_WORK(&mbc->charging_restart_work,
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- pcf50633_mbc_charging_restart);
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-
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+ ret = power_supply_register(&pdev->dev, &mbc->ac);
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+ if (ret) {
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+ dev_err(mbc->pcf->dev, "failed to register ac\n");
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+ power_supply_unregister(&mbc->adapter);
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+ power_supply_unregister(&mbc->usb);
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+ kfree(mbc);
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+ return ret;
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+ }
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+
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ret = sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group);
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if (ret)
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dev_err(mbc->pcf->dev, "failed to create sysfs entries\n");
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diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c
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index 8e14900..4809789 100644
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--- a/drivers/regulator/pcf50633-regulator.c
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+++ b/drivers/regulator/pcf50633-regulator.c
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@@ -24,11 +24,12 @@
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#include <linux/mfd/pcf50633/core.h>
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#include <linux/mfd/pcf50633/pmic.h>
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-#define PCF50633_REGULATOR(_name, _id) \
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+#define PCF50633_REGULATOR(_name, _id, _n) \
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{ \
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.name = _name, \
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.id = _id, \
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.ops = &pcf50633_regulator_ops, \
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+ .n_voltages = _n, \
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.type = REGULATOR_VOLTAGE, \
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.owner = THIS_MODULE, \
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}
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@@ -193,6 +194,40 @@ static int pcf50633_regulator_get_voltage(struct regulator_dev *rdev)
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return millivolts * 1000;
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}
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+static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
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+ unsigned int index)
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+{
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+ struct pcf50633 *pcf;
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+ int regulator_id, millivolts;
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+
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+ pcf = rdev_get_drvdata(rdev);;
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+
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+ regulator_id = rdev_get_id(rdev);
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+
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+ switch (regulator_id) {
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+ case PCF50633_REGULATOR_AUTO:
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+ millivolts = auto_voltage_value(index + 0x2f);
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+ break;
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+ case PCF50633_REGULATOR_DOWN1:
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+ case PCF50633_REGULATOR_DOWN2:
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+ millivolts = down_voltage_value(index);
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+ break;
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+ case PCF50633_REGULATOR_LDO1:
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+ case PCF50633_REGULATOR_LDO2:
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+ case PCF50633_REGULATOR_LDO3:
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+ case PCF50633_REGULATOR_LDO4:
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+ case PCF50633_REGULATOR_LDO5:
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+ case PCF50633_REGULATOR_LDO6:
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+ case PCF50633_REGULATOR_HCLDO:
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+ millivolts = ldo_voltage_value(index);
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ return millivolts * 1000;
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+}
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+
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static int pcf50633_regulator_enable(struct regulator_dev *rdev)
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{
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struct pcf50633 *pcf = rdev_get_drvdata(rdev);
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@@ -246,6 +281,7 @@ static int pcf50633_regulator_is_enabled(struct regulator_dev *rdev)
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static struct regulator_ops pcf50633_regulator_ops = {
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.set_voltage = pcf50633_regulator_set_voltage,
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.get_voltage = pcf50633_regulator_get_voltage,
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+ .list_voltage = pcf50633_regulator_list_voltage,
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.enable = pcf50633_regulator_enable,
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.disable = pcf50633_regulator_disable,
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.is_enabled = pcf50633_regulator_is_enabled,
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@@ -253,27 +289,27 @@ static struct regulator_ops pcf50633_regulator_ops = {
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static struct regulator_desc regulators[] = {
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[PCF50633_REGULATOR_AUTO] =
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- PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO),
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+ PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 80),
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[PCF50633_REGULATOR_DOWN1] =
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- PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1),
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+ PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 95),
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[PCF50633_REGULATOR_DOWN2] =
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- PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2),
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+ PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 95),
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[PCF50633_REGULATOR_LDO1] =
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- PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1),
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+ PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 27),
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[PCF50633_REGULATOR_LDO2] =
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- PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2),
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+ PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 27),
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[PCF50633_REGULATOR_LDO3] =
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- PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3),
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+ PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 27),
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[PCF50633_REGULATOR_LDO4] =
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- PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4),
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+ PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 27),
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[PCF50633_REGULATOR_LDO5] =
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- PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5),
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+ PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 27),
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[PCF50633_REGULATOR_LDO6] =
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- PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6),
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+ PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 27),
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[PCF50633_REGULATOR_HCLDO] =
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- PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO),
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+ PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 26),
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[PCF50633_REGULATOR_MEMLDO] =
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- PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO),
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+ PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 27),
|
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};
|
|
|
|
static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)
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|
diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c
|
|
index f4dd87e..8669815 100644
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|
--- a/drivers/rtc/rtc-pcf50633.c
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+++ b/drivers/rtc/rtc-pcf50633.c
|
|
@@ -58,6 +58,7 @@ struct pcf50633_time {
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|
struct pcf50633_rtc {
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|
int alarm_enabled;
|
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int second_enabled;
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+ int alarm_pending;
|
|
|
|
struct pcf50633 *pcf;
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|
struct rtc_device *rtc_dev;
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|
@@ -70,7 +71,7 @@ static void pcf2rtc_time(struct rtc_time *rtc, struct pcf50633_time *pcf)
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|
rtc->tm_hour = bcd2bin(pcf->time[PCF50633_TI_HOUR]);
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|
rtc->tm_wday = bcd2bin(pcf->time[PCF50633_TI_WKDAY]);
|
|
rtc->tm_mday = bcd2bin(pcf->time[PCF50633_TI_DAY]);
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|
- rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]);
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|
+ rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]) - 1;
|
|
rtc->tm_year = bcd2bin(pcf->time[PCF50633_TI_YEAR]) + 100;
|
|
}
|
|
|
|
@@ -81,7 +82,7 @@ static void rtc2pcf_time(struct pcf50633_time *pcf, struct rtc_time *rtc)
|
|
pcf->time[PCF50633_TI_HOUR] = bin2bcd(rtc->tm_hour);
|
|
pcf->time[PCF50633_TI_WKDAY] = bin2bcd(rtc->tm_wday);
|
|
pcf->time[PCF50633_TI_DAY] = bin2bcd(rtc->tm_mday);
|
|
- pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon);
|
|
+ pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon + 1);
|
|
pcf->time[PCF50633_TI_YEAR] = bin2bcd(rtc->tm_year % 100);
|
|
}
|
|
|
|
@@ -209,6 +210,7 @@ static int pcf50633_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
|
|
rtc = dev_get_drvdata(dev);
|
|
|
|
alrm->enabled = rtc->alarm_enabled;
|
|
+ alrm->pending = rtc->alarm_pending;
|
|
|
|
ret = pcf50633_read_block(rtc->pcf, PCF50633_REG_RTCSCA,
|
|
PCF50633_TI_EXTENT, &pcf_tm.time[0]);
|
|
@@ -244,9 +246,12 @@ static int pcf50633_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
|
|
/* Returns 0 on success */
|
|
ret = pcf50633_write_block(rtc->pcf, PCF50633_REG_RTCSCA,
|
|
PCF50633_TI_EXTENT, &pcf_tm.time[0]);
|
|
+ if (!alrm->enabled)
|
|
+ rtc->alarm_pending = 0;
|
|
|
|
- if (!alarm_masked)
|
|
+ if (!alarm_masked || alrm->enabled)
|
|
pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_ALARM);
|
|
+ rtc->alarm_enabled = alrm->enabled;
|
|
|
|
return ret;
|
|
}
|
|
@@ -267,6 +272,7 @@ static void pcf50633_rtc_irq(int irq, void *data)
|
|
switch (irq) {
|
|
case PCF50633_IRQ_ALARM:
|
|
rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF);
|
|
+ rtc->alarm_pending = 1;
|
|
break;
|
|
case PCF50633_IRQ_SECOND:
|
|
rtc_update_irq(rtc->rtc_dev, 1, RTC_UF | RTC_IRQF);
|
|
diff --git a/include/linux/mfd/pcf50633/core.h b/include/linux/mfd/pcf50633/core.h
|
|
index c8f51c3..af67b4e 100644
|
|
--- a/include/linux/mfd/pcf50633/core.h
|
|
+++ b/include/linux/mfd/pcf50633/core.h
|
|
@@ -31,6 +31,8 @@ struct pcf50633_platform_data {
|
|
|
|
int charging_restart_interval;
|
|
|
|
+ int chg_ref_current_ma;
|
|
+
|
|
/* Callbacks */
|
|
void (*probe_done)(struct pcf50633 *);
|
|
void (*mbc_event_callback)(struct pcf50633 *, int);
|
|
@@ -208,7 +210,8 @@ enum pcf50633_reg_int5 {
|
|
};
|
|
|
|
/* misc. registers */
|
|
-#define PCF50633_REG_OOCSHDWN 0x0c
|
|
+#define PCF50633_REG_OOCSHDWN 0x0c
|
|
+#define PCF50633_OOCSHDWN_GOSTDBY 0x01
|
|
|
|
/* LED registers */
|
|
#define PCF50633_REG_LEDOUT 0x28
|
|
--
|
|
1.5.6.5
|
|
|