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https://github.com/openwrt/openwrt.git
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96 lines
3.0 KiB
Diff
96 lines
3.0 KiB
Diff
From 539e2eef7dbfb58ab028a5530430611973dd4c84 Mon Sep 17 00:00:00 2001
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From: IQaudIO <gordon@iqaudio.com>
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Date: Thu, 6 Jun 2019 10:20:55 +0100
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Subject: [PATCH] Fixed 48k timing issue
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---
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sound/soc/bcm/iqaudio-codec.c | 33 ++++++++++++++++++++++++++++-----
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1 file changed, 28 insertions(+), 5 deletions(-)
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--- a/sound/soc/bcm/iqaudio-codec.c
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+++ b/sound/soc/bcm/iqaudio-codec.c
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@@ -45,11 +45,15 @@ static int snd_rpi_iqaudio_pll_control(s
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0);
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if (ret)
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dev_err(card->dev, "Failed to bypass PLL: %d\n", ret);
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+ /* Allow PLL time to bypass */
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+ msleep(100);
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} else if (SND_SOC_DAPM_EVENT_ON(event)) {
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ret = snd_soc_dai_set_pll(codec_dai, 0, DA7213_SYSCLK_PLL, 0,
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pll_out);
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if (ret)
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dev_err(card->dev, "Failed to enable PLL: %d\n", ret);
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+ /* Allow PLL time to lock */
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+ msleep(100);
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}
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return ret;
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@@ -71,6 +75,13 @@ static int snd_rpi_iqaudio_post_dapm_eve
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return 0;
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}
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+static const struct snd_kcontrol_new dapm_controls[] = {
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+ SOC_DAPM_PIN_SWITCH("HP Jack"),
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+ SOC_DAPM_PIN_SWITCH("MIC Jack"),
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+ SOC_DAPM_PIN_SWITCH("Onboard MIC"),
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+ SOC_DAPM_PIN_SWITCH("AUX Jack"),
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+};
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+
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static const struct snd_soc_dapm_widget dapm_widgets[] = {
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SND_SOC_DAPM_HP("HP Jack", NULL),
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SND_SOC_DAPM_MIC("MIC Jack", NULL),
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@@ -87,14 +98,14 @@ static const struct snd_soc_dapm_route a
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{"HP Jack", NULL, "HPR"},
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{"HP Jack", NULL, "PLL Control"},
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- {"AUX Jack", NULL, "AUXR"},
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- {"AUX Jack", NULL, "AUXL"},
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+ {"AUXR", NULL, "AUX Jack"},
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+ {"AUXL", NULL, "AUX Jack"},
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{"AUX Jack", NULL, "PLL Control"},
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/* Assume Mic1 is linked to Headset and Mic2 to on-board mic */
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- {"MIC Jack", NULL, "MIC1"},
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+ {"MIC1", NULL, "MIC Jack"},
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{"MIC Jack", NULL, "PLL Control"},
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- {"Onboard MIC", NULL, "MIC2"},
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+ {"MIC2", NULL, "Onboard MIC"},
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{"Onboard MIC", NULL, "PLL Control"},
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};
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@@ -106,6 +117,16 @@ static int snd_rpi_iqaudio_codec_init(st
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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int ret;
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+ /*
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+ * Disable AUX Jack Pin by default to prevent PLL being enabled at
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+ * startup. This avoids holding the PLL to a fixed SR config for
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+ * subsequent streams.
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+ *
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+ * This pin can still be enabled later, as required by user-space.
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+ */
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+ snd_soc_dapm_disable_pin(&rtd->card->dapm, "AUX Jack");
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+ snd_soc_dapm_sync(&rtd->card->dapm);
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+
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/* Set bclk ratio to align with codec's BCLK rate */
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ret = snd_soc_dai_set_bclk_ratio(cpu_dai, 64);
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if (ret) {
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@@ -168,6 +189,8 @@ static struct snd_soc_card snd_rpi_iqaud
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.owner = THIS_MODULE,
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.dai_link = snd_rpi_iqaudio_codec_dai,
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.num_links = ARRAY_SIZE(snd_rpi_iqaudio_codec_dai),
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+ .controls = dapm_controls,
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+ .num_controls = ARRAY_SIZE(dapm_controls),
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.dapm_widgets = dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
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.dapm_routes = audio_map,
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@@ -204,7 +227,7 @@ static int snd_rpi_iqaudio_codec_probe(s
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if (of_property_read_string(pdev->dev.of_node,
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"dai_stream_name", &dai->stream_name))
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- dai->stream_name = "IQaudIO CODEC HiFi v1.1";
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+ dai->stream_name = "IQaudIO CODEC HiFi v1.2";
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}
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