mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 18:19:02 +00:00
43 lines
1.3 KiB
Diff
43 lines
1.3 KiB
Diff
|
From 09ad53f0267e4b5433c27c77b3945d584ac0a6ba Mon Sep 17 00:00:00 2001
|
||
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
||
|
|
Date: Tue, 22 Oct 2019 08:47:29 +0100
|
||
|
|
Subject: [PATCH] rpi-wm8804-soundcard: Fixed MCLKDIV for Allo Digione
|
||
|
|
|
||
|
|
The Allo Digione board wants a fixed MCLKDIV of 256.
|
||
|
|
|
||
|
|
See: https://github.com/raspberrypi/linux/issues/3296
|
||
|
|
|
||
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
||
|
|
---
|
||
|
|
sound/soc/bcm/rpi-wm8804-soundcard.c | 10 +++++++---
|
||
|
|
1 file changed, 7 insertions(+), 3 deletions(-)
|
||
|
|
|
||
|
|
--- a/sound/soc/bcm/rpi-wm8804-soundcard.c
|
||
|
|
+++ b/sound/soc/bcm/rpi-wm8804-soundcard.c
|
||
|
|
@@ -66,6 +66,11 @@ static struct gpio_desc *snd_clk44gpio;
|
||
|
|
static struct gpio_desc *snd_clk48gpio;
|
||
|
|
static int wm8804_samplerate = 0;
|
||
|
|
|
||
|
|
+/* Forward declarations */
|
||
|
|
+static struct snd_soc_dai_link snd_allo_digione_dai[];
|
||
|
|
+static struct snd_soc_card snd_rpi_wm8804;
|
||
|
|
+
|
||
|
|
+
|
||
|
|
#define CLK_44EN_RATE 22579200UL
|
||
|
|
#define CLK_48EN_RATE 24576000UL
|
||
|
|
|
||
|
|
@@ -90,11 +95,10 @@ static unsigned int snd_rpi_wm8804_enabl
|
||
|
|
static void snd_rpi_wm8804_clk_cfg(unsigned int samplerate,
|
||
|
|
struct wm8804_clk_cfg *clk_cfg)
|
||
|
|
{
|
||
|
|
- clk_cfg->mclk_freq = 0;
|
||
|
|
- clk_cfg->mclk_div = 1;
|
||
|
|
clk_cfg->sysclk_freq = 27000000;
|
||
|
|
|
||
|
|
- if (samplerate <= 96000) {
|
||
|
|
+ if (samplerate <= 96000 ||
|
||
|
|
+ snd_rpi_wm8804.dai_link == snd_allo_digione_dai) {
|
||
|
|
clk_cfg->mclk_freq = samplerate * 256;
|
||
|
|
clk_cfg->mclk_div = WM8804_MCLKDIV_256FS;
|
||
|
|
} else {
|