diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0186-rpi-wm8804-soundcard-drop-PWRDN-register-writes.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0186-rpi-wm8804-soundcard-drop-PWRDN-register-writes.patch | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0186-rpi-wm8804-soundcard-drop-PWRDN-register-writes.patch b/target/linux/bcm27xx/patches-4.19/950-0186-rpi-wm8804-soundcard-drop-PWRDN-register-writes.patch deleted file mode 100644 index f73d9c9617..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0186-rpi-wm8804-soundcard-drop-PWRDN-register-writes.patch +++ /dev/null @@ -1,128 +0,0 @@ -From 31b533207610f0f703cfdcba3baf404d000f1363 Mon Sep 17 00:00:00 2001 -From: Matthias Reichl <hias@horus.com> -Date: Sun, 18 Nov 2018 15:24:16 +0100 -Subject: [PATCH] rpi-wm8804-soundcard: drop PWRDN register writes - -Since kernel 4.0 the PWRDN register bits are under DAPM -control from the wm8804 driver. - -Drop code that modifies that register to avoid interfering -with DAPM. - -Signed-off-by: Matthias Reichl <hias@horus.com> ---- - sound/soc/bcm/rpi-wm8804-soundcard.c | 55 ---------------------------- - 1 file changed, 55 deletions(-) - ---- a/sound/soc/bcm/rpi-wm8804-soundcard.c -+++ b/sound/soc/bcm/rpi-wm8804-soundcard.c -@@ -54,8 +54,6 @@ struct snd_rpi_wm8804_drvdata { - struct snd_soc_dai_link *dai; - /* Required - snd_soc_card name */ - const char *card_name; -- /* Optional- Overrides the module paramter */ -- unsigned short auto_shutdown_output; - /* Optional DT node names if card info is defined in DT */ - const char *card_name_dt; - const char *dai_name_dt; -@@ -64,51 +62,12 @@ struct snd_rpi_wm8804_drvdata { - int (*probe)(struct platform_device *pdev); - }; - --static short int auto_shutdown_output; --module_param(auto_shutdown_output, short, 0660); --MODULE_PARM_DESC(auto_shutdown_output, "Shutdown SP/DIF output if playback is stopped"); -- - static struct gpio_desc *snd_clk44gpio; - static struct gpio_desc *snd_clk48gpio; - - #define CLK_44EN_RATE 22579200UL - #define CLK_48EN_RATE 24576000UL - --static int snd_rpi_wm8804_init(struct snd_soc_pcm_runtime *rtd) --{ -- struct snd_soc_component *component = rtd->codec_dai->component; -- int rc; -- -- pr_debug("%s\n", __func__); -- -- rc = snd_soc_component_update_bits(component, WM8804_PWRDN, 0x4, 0x0); -- return rc < 0 ? rc : 0; --} -- --static int snd_rpi_wm8804_digi_startup(struct snd_pcm_substream *substream) --{ -- struct snd_soc_pcm_runtime *rtd = substream->private_data; -- struct snd_soc_component *component = rtd->codec_dai->component; -- int rc; -- -- pr_debug("%s\n", __func__); -- -- rc = snd_soc_component_update_bits(component, WM8804_PWRDN, 0x3c, 0x00); -- return rc < 0 ? rc : 0; --} -- --static void snd_rpi_wm8804_digi_shutdown(struct snd_pcm_substream *substream) --{ -- struct snd_soc_pcm_runtime *rtd = substream->private_data; -- struct snd_soc_component *component = rtd->codec_dai->component; -- -- pr_debug("%s %d\n", __func__, auto_shutdown_output); -- -- if (auto_shutdown_output) -- snd_soc_component_update_bits(component, WM8804_PWRDN, -- 0x3c, 0x3c); --} -- - static unsigned int snd_rpi_wm8804_enable_clock(unsigned int samplerate) - { - switch (samplerate) { -@@ -204,12 +163,6 @@ static int snd_rpi_wm8804_hw_params(stru - return ret; - } - -- /* Enable TX output */ -- snd_soc_component_update_bits(component, WM8804_PWRDN, 0x4, 0x0); -- -- /* Power on */ -- snd_soc_component_update_bits(component, WM8804_PWRDN, 0x9, 0); -- - /* set sampling frequency status bits */ - snd_soc_component_update_bits(component, WM8804_SPDTX4, 0x0f, - sampling_freq); -@@ -219,8 +172,6 @@ static int snd_rpi_wm8804_hw_params(stru - - static struct snd_soc_ops snd_rpi_wm8804_ops = { - .hw_params = snd_rpi_wm8804_hw_params, -- .startup = snd_rpi_wm8804_digi_startup, -- .shutdown = snd_rpi_wm8804_digi_shutdown, - }; - - static struct snd_soc_dai_link snd_justboom_digi_dai[] = { -@@ -233,7 +184,6 @@ static struct snd_soc_dai_link snd_justb - static struct snd_rpi_wm8804_drvdata drvdata_justboom_digi = { - .card_name = "snd_rpi_justboom_digi", - .dai = snd_justboom_digi_dai, -- .auto_shutdown_output = 1, - }; - - static struct snd_soc_dai_link snd_iqaudio_digi_dai[] = { -@@ -335,8 +285,6 @@ static int snd_rpi_wm8804_probe(struct p - - snd_soc_card_set_drvdata(&snd_rpi_wm8804, drvdata); - -- if (!dai->init) -- dai->init = snd_rpi_wm8804_init; - if (!dai->ops) - dai->ops = &snd_rpi_wm8804_ops; - if (!dai->codec_dai_name) -@@ -348,9 +296,6 @@ static int snd_rpi_wm8804_probe(struct p - SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM; - -- if (drvdata->auto_shutdown_output) -- auto_shutdown_output = 1; -- - snd_rpi_wm8804.dai_link = dai; - i2s_node = of_parse_phandle(pdev->dev.of_node, - "i2s-controller", 0); |