diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0187-rpi-wm8804-soundcard-configure-wm8804-clocks-only-on.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0187-rpi-wm8804-soundcard-configure-wm8804-clocks-only-on.patch | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0187-rpi-wm8804-soundcard-configure-wm8804-clocks-only-on.patch b/target/linux/bcm27xx/patches-4.19/950-0187-rpi-wm8804-soundcard-configure-wm8804-clocks-only-on.patch deleted file mode 100644 index 7edd25f9eb..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0187-rpi-wm8804-soundcard-configure-wm8804-clocks-only-on.patch +++ /dev/null @@ -1,46 +0,0 @@ -From f6b133a056e8fde7f4707e2874e204c7d5d671a2 Mon Sep 17 00:00:00 2001 -From: Matthias Reichl <hias@horus.com> -Date: Sun, 18 Nov 2018 15:32:28 +0100 -Subject: [PATCH] rpi-wm8804-soundcard: configure wm8804 clocks only on - rate change - -This should avoid clicks when stopping and immediately afterwards -starting a stream with the same samplerate as before. - -Signed-off-by: Matthias Reichl <hias@horus.com> ---- - sound/soc/bcm/rpi-wm8804-soundcard.c | 9 +++++++++ - 1 file changed, 9 insertions(+) - ---- a/sound/soc/bcm/rpi-wm8804-soundcard.c -+++ b/sound/soc/bcm/rpi-wm8804-soundcard.c -@@ -64,6 +64,7 @@ struct snd_rpi_wm8804_drvdata { - - static struct gpio_desc *snd_clk44gpio; - static struct gpio_desc *snd_clk48gpio; -+static int wm8804_samplerate = 0; - - #define CLK_44EN_RATE 22579200UL - #define CLK_48EN_RATE 24576000UL -@@ -117,6 +118,12 @@ static int snd_rpi_wm8804_hw_params(stru - struct wm8804_clk_cfg clk_cfg; - int samplerate = params_rate(params); - -+ if (samplerate == wm8804_samplerate) -+ return 0; -+ -+ /* clear until all clocks are setup properly */ -+ wm8804_samplerate = 0; -+ - snd_rpi_wm8804_clk_cfg(samplerate, &clk_cfg); - - pr_debug("%s samplerate: %d mclk_freq: %u mclk_div: %u sysclk: %u\n", -@@ -163,6 +170,8 @@ static int snd_rpi_wm8804_hw_params(stru - return ret; - } - -+ wm8804_samplerate = samplerate; -+ - /* set sampling frequency status bits */ - snd_soc_component_update_bits(component, WM8804_SPDTX4, 0x0f, - sampling_freq); |