From b641edfbf253a67a87698df275e3a35a7deac5d4 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 10 Jul 2013 16:31:58 +0100 Subject: ASoC: pcm3008: Remove noisy version print The version number has never been updated and the printk isn't based on any interaction with the device. Signed-off-by: Mark Brown --- sound/soc/codecs/pcm3008.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c index f2a6282b41f4..32e5a591f921 100644 --- a/sound/soc/codecs/pcm3008.c +++ b/sound/soc/codecs/pcm3008.c @@ -28,8 +28,6 @@ #include "pcm3008.h" -#define PCM3008_VERSION "0.2" - #define PCM3008_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ SNDRV_PCM_RATE_48000) @@ -64,8 +62,6 @@ static int pcm3008_soc_probe(struct snd_soc_codec *codec) struct pcm3008_setup_data *setup = codec->dev->platform_data; int ret = 0; - printk(KERN_INFO "PCM3008 SoC Audio Codec %s\n", PCM3008_VERSION); - /* DEM1 DEM0 DE-EMPHASIS_MODE * Low Low De-emphasis 44.1 kHz ON * Low High De-emphasis OFF -- cgit v1.2.3 From d7f184958e5292280c1048df951932bbfcd95f60 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 10 Jul 2013 16:48:24 +0100 Subject: ASoC: pcm3008: Move gpio allocation to probe This is better from a device model point of view since we don't try to do things like instantiate the card until the required resources appear. Signed-off-by: Mark Brown --- sound/soc/codecs/pcm3008.c | 87 ++++++++++++++++++++-------------------------- 1 file changed, 38 insertions(+), 49 deletions(-) diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c index 32e5a591f921..8ab1c03d26bd 100644 --- a/sound/soc/codecs/pcm3008.c +++ b/sound/soc/codecs/pcm3008.c @@ -57,10 +57,40 @@ static void pcm3008_gpio_free(struct pcm3008_setup_data *setup) gpio_free(setup->pdda_pin); } -static int pcm3008_soc_probe(struct snd_soc_codec *codec) +#ifdef CONFIG_PM +static int pcm3008_soc_suspend(struct snd_soc_codec *codec) +{ + struct pcm3008_setup_data *setup = codec->dev->platform_data; + + gpio_set_value(setup->pdad_pin, 0); + gpio_set_value(setup->pdda_pin, 0); + + return 0; +} + +static int pcm3008_soc_resume(struct snd_soc_codec *codec) { struct pcm3008_setup_data *setup = codec->dev->platform_data; - int ret = 0; + + gpio_set_value(setup->pdad_pin, 1); + gpio_set_value(setup->pdda_pin, 1); + + return 0; +} +#else +#define pcm3008_soc_suspend NULL +#define pcm3008_soc_resume NULL +#endif + +static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = { + .suspend = pcm3008_soc_suspend, + .resume = pcm3008_soc_resume, +}; + +static int pcm3008_codec_probe(struct platform_device *pdev) +{ + struct pcm3008_setup_data *setup = pdev->dev.platform_data; + int ret; /* DEM1 DEM0 DE-EMPHASIS_MODE * Low Low De-emphasis 44.1 kHz ON @@ -97,63 +127,22 @@ static int pcm3008_soc_probe(struct snd_soc_codec *codec) if (ret != 0) goto gpio_err; - return ret; + return snd_soc_register_codec(&pdev->dev, + &soc_codec_dev_pcm3008, &pcm3008_dai, 1); gpio_err: pcm3008_gpio_free(setup); - return ret; } -static int pcm3008_soc_remove(struct snd_soc_codec *codec) -{ - struct pcm3008_setup_data *setup = codec->dev->platform_data; - - pcm3008_gpio_free(setup); - return 0; -} - -#ifdef CONFIG_PM -static int pcm3008_soc_suspend(struct snd_soc_codec *codec) -{ - struct pcm3008_setup_data *setup = codec->dev->platform_data; - - gpio_set_value(setup->pdad_pin, 0); - gpio_set_value(setup->pdda_pin, 0); - - return 0; -} - -static int pcm3008_soc_resume(struct snd_soc_codec *codec) +static int pcm3008_codec_remove(struct platform_device *pdev) { - struct pcm3008_setup_data *setup = codec->dev->platform_data; + struct pcm3008_setup_data *setup = pdev->dev.platform_data; - gpio_set_value(setup->pdad_pin, 1); - gpio_set_value(setup->pdda_pin, 1); - - return 0; -} -#else -#define pcm3008_soc_suspend NULL -#define pcm3008_soc_resume NULL -#endif - -static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = { - .probe = pcm3008_soc_probe, - .remove = pcm3008_soc_remove, - .suspend = pcm3008_soc_suspend, - .resume = pcm3008_soc_resume, -}; + snd_soc_unregister_codec(&pdev->dev); -static int pcm3008_codec_probe(struct platform_device *pdev) -{ - return snd_soc_register_codec(&pdev->dev, - &soc_codec_dev_pcm3008, &pcm3008_dai, 1); -} + pcm3008_gpio_free(setup); -static int pcm3008_codec_remove(struct platform_device *pdev) -{ - snd_soc_unregister_codec(&pdev->dev); return 0; } -- cgit v1.2.3 From 33319a2fcc4482a97a8924e777bc0036d1d96696 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 10 Jul 2013 16:49:16 +0100 Subject: ASoC: pcm3008: Check for platform data The driver will crash if none is provided. Signed-off-by: Mark Brown --- sound/soc/codecs/pcm3008.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c index 8ab1c03d26bd..4fa4ded30407 100644 --- a/sound/soc/codecs/pcm3008.c +++ b/sound/soc/codecs/pcm3008.c @@ -92,6 +92,9 @@ static int pcm3008_codec_probe(struct platform_device *pdev) struct pcm3008_setup_data *setup = pdev->dev.platform_data; int ret; + if (!setup) + return -EINVAL; + /* DEM1 DEM0 DE-EMPHASIS_MODE * Low Low De-emphasis 44.1 kHz ON * Low High De-emphasis OFF -- cgit v1.2.3 From d57a79acc77160089e191b6c78e9d42bed517a62 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 10 Jul 2013 16:53:55 +0100 Subject: ASoC: pcm3008: Convert to devm_gpio_request_one() Signed-off-by: Mark Brown --- sound/soc/codecs/pcm3008.c | 44 ++++++++++++-------------------------------- 1 file changed, 12 insertions(+), 32 deletions(-) diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c index 4fa4ded30407..b883f99d6f9f 100644 --- a/sound/soc/codecs/pcm3008.c +++ b/sound/soc/codecs/pcm3008.c @@ -49,14 +49,6 @@ static struct snd_soc_dai_driver pcm3008_dai = { }, }; -static void pcm3008_gpio_free(struct pcm3008_setup_data *setup) -{ - gpio_free(setup->dem0_pin); - gpio_free(setup->dem1_pin); - gpio_free(setup->pdad_pin); - gpio_free(setup->pdda_pin); -} - #ifdef CONFIG_PM static int pcm3008_soc_suspend(struct snd_soc_codec *codec) { @@ -103,49 +95,37 @@ static int pcm3008_codec_probe(struct platform_device *pdev) */ /* Configure DEM0 GPIO (turning OFF DAC De-emphasis). */ - ret = gpio_request(setup->dem0_pin, "codec_dem0"); - if (ret == 0) - ret = gpio_direction_output(setup->dem0_pin, 1); + ret = devm_gpio_request_one(&pdev->dev, setup->dem0_pin, + GPIOF_OUT_INIT_HIGH, "codec_dem0"); if (ret != 0) - goto gpio_err; + return ret; /* Configure DEM1 GPIO (turning OFF DAC De-emphasis). */ - ret = gpio_request(setup->dem1_pin, "codec_dem1"); - if (ret == 0) - ret = gpio_direction_output(setup->dem1_pin, 0); + ret = devm_gpio_request_one(&pdev->dev, setup->dem1_pin, + GPIOF_OUT_INIT_LOW, "codec_dem1"); if (ret != 0) - goto gpio_err; + return ret; /* Configure PDAD GPIO. */ - ret = gpio_request(setup->pdad_pin, "codec_pdad"); - if (ret == 0) - ret = gpio_direction_output(setup->pdad_pin, 1); + ret = devm_gpio_request_one(&pdev->dev, setup->pdad_pin, + GPIOF_OUT_INIT_HIGH, "codec_pdad"); if (ret != 0) - goto gpio_err; + return ret; /* Configure PDDA GPIO. */ - ret = gpio_request(setup->pdda_pin, "codec_pdda"); - if (ret == 0) - ret = gpio_direction_output(setup->pdda_pin, 1); + ret = devm_gpio_request_one(&pdev->dev, setup->pdda_pin, + GPIOF_OUT_INIT_HIGH, "codec_pdda"); if (ret != 0) - goto gpio_err; + return ret; return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_pcm3008, &pcm3008_dai, 1); - -gpio_err: - pcm3008_gpio_free(setup); - return ret; } static int pcm3008_codec_remove(struct platform_device *pdev) { - struct pcm3008_setup_data *setup = pdev->dev.platform_data; - snd_soc_unregister_codec(&pdev->dev); - pcm3008_gpio_free(setup); - return 0; } -- cgit v1.2.3 From ea67afc3fdbe9196d76ee79503a3809a54300b5a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 15 Aug 2013 11:53:28 +0100 Subject: ASoC: pcm3008: Use gpio_set_value_cansleep() We don't set the GPIO values from atomic context so support GPIOs that can't be controlled from atomic context. Signed-off-by: Mark Brown --- sound/soc/codecs/pcm3008.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c index b883f99d6f9f..8b9b378bc0a7 100644 --- a/sound/soc/codecs/pcm3008.c +++ b/sound/soc/codecs/pcm3008.c @@ -54,8 +54,8 @@ static int pcm3008_soc_suspend(struct snd_soc_codec *codec) { struct pcm3008_setup_data *setup = codec->dev->platform_data; - gpio_set_value(setup->pdad_pin, 0); - gpio_set_value(setup->pdda_pin, 0); + gpio_set_value_cansleep(setup->pdad_pin, 0); + gpio_set_value_cansleep(setup->pdda_pin, 0); return 0; } @@ -64,8 +64,8 @@ static int pcm3008_soc_resume(struct snd_soc_codec *codec) { struct pcm3008_setup_data *setup = codec->dev->platform_data; - gpio_set_value(setup->pdad_pin, 1); - gpio_set_value(setup->pdda_pin, 1); + gpio_set_value_cansleep(setup->pdad_pin, 1); + gpio_set_value_cansleep(setup->pdda_pin, 1); return 0; } -- cgit v1.2.3 From faaf36f21642a140715b7d6cf897ab4f4f5a924d Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 15 Aug 2013 12:01:40 +0100 Subject: ASoC: pcm3008: Add DAPM support Make it possible to connect external devices to the CODEC and ensure continued operation with non-DAPM support removed from the core. Signed-off-by: Mark Brown --- sound/soc/codecs/pcm3008.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c index 8b9b378bc0a7..19f5028354f6 100644 --- a/sound/soc/codecs/pcm3008.c +++ b/sound/soc/codecs/pcm3008.c @@ -28,6 +28,22 @@ #include "pcm3008.h" +static const struct snd_soc_dapm_widget pcm3008_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("VINL"), +SND_SOC_DAPM_INPUT("VINR"), + +SND_SOC_DAPM_OUTPUT("VOUTL"), +SND_SOC_DAPM_OUTPUT("VOUTR"), +}; + +static const struct snd_soc_dapm_route pcm3008_dapm_routes[] = { + { "PCM3008 Capture", NULL, "VINL" }, + { "PCM3008 Capture", NULL, "VINR" }, + + { "VOUTL", NULL, "PCM3008 Playback" }, + { "VOUTR", NULL, "PCM3008 Playback" }, +}; + #define PCM3008_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ SNDRV_PCM_RATE_48000) @@ -77,6 +93,10 @@ static int pcm3008_soc_resume(struct snd_soc_codec *codec) static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = { .suspend = pcm3008_soc_suspend, .resume = pcm3008_soc_resume, + .dapm_widgets = pcm3008_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(pcm3008_dapm_widgets), + .dapm_routes = pcm3008_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(pcm3008_dapm_routes), }; static int pcm3008_codec_probe(struct platform_device *pdev) -- cgit v1.2.3 From 4fc932c6d8c0d2715bb7f2a2f657230ea360af87 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 15 Aug 2013 12:04:28 +0100 Subject: ASoC: pcm3008: Manage DAC and ADC power with DAPM Rather than leaving the DAC and ADC active whenever the system is running manage their power with DAPM. Signed-off-by: Mark Brown --- sound/soc/codecs/pcm3008.c | 72 +++++++++++++++++++++++++--------------------- 1 file changed, 39 insertions(+), 33 deletions(-) diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c index 19f5028354f6..b6618c4a7597 100644 --- a/sound/soc/codecs/pcm3008.c +++ b/sound/soc/codecs/pcm3008.c @@ -28,20 +28,53 @@ #include "pcm3008.h" +static int pcm3008_dac_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_codec *codec = w->codec; + struct pcm3008_setup_data *setup = codec->dev->platform_data; + + gpio_set_value_cansleep(setup->pdda_pin, + SND_SOC_DAPM_EVENT_ON(event)); + + return 0; +} + +static int pcm3008_adc_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_codec *codec = w->codec; + struct pcm3008_setup_data *setup = codec->dev->platform_data; + + gpio_set_value_cansleep(setup->pdad_pin, + SND_SOC_DAPM_EVENT_ON(event)); + + return 0; +} + static const struct snd_soc_dapm_widget pcm3008_dapm_widgets[] = { SND_SOC_DAPM_INPUT("VINL"), SND_SOC_DAPM_INPUT("VINR"), +SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, pcm3008_dac_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), +SND_SOC_DAPM_ADC_E("ADC", NULL, SND_SOC_NOPM, 0, 0, pcm3008_adc_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_OUTPUT("VOUTL"), SND_SOC_DAPM_OUTPUT("VOUTR"), }; static const struct snd_soc_dapm_route pcm3008_dapm_routes[] = { - { "PCM3008 Capture", NULL, "VINL" }, - { "PCM3008 Capture", NULL, "VINR" }, + { "PCM3008 Capture", NULL, "ADC" }, + { "ADC", NULL, "VINL" }, + { "ADC", NULL, "VINR" }, - { "VOUTL", NULL, "PCM3008 Playback" }, - { "VOUTR", NULL, "PCM3008 Playback" }, + { "DAC", NULL, "PCM3008 Playback" }, + { "VOUTL", NULL, "DAC" }, + { "VOUTR", NULL, "DAC" }, }; #define PCM3008_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ @@ -65,34 +98,7 @@ static struct snd_soc_dai_driver pcm3008_dai = { }, }; -#ifdef CONFIG_PM -static int pcm3008_soc_suspend(struct snd_soc_codec *codec) -{ - struct pcm3008_setup_data *setup = codec->dev->platform_data; - - gpio_set_value_cansleep(setup->pdad_pin, 0); - gpio_set_value_cansleep(setup->pdda_pin, 0); - - return 0; -} - -static int pcm3008_soc_resume(struct snd_soc_codec *codec) -{ - struct pcm3008_setup_data *setup = codec->dev->platform_data; - - gpio_set_value_cansleep(setup->pdad_pin, 1); - gpio_set_value_cansleep(setup->pdda_pin, 1); - - return 0; -} -#else -#define pcm3008_soc_suspend NULL -#define pcm3008_soc_resume NULL -#endif - static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = { - .suspend = pcm3008_soc_suspend, - .resume = pcm3008_soc_resume, .dapm_widgets = pcm3008_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(pcm3008_dapm_widgets), .dapm_routes = pcm3008_dapm_routes, @@ -128,13 +134,13 @@ static int pcm3008_codec_probe(struct platform_device *pdev) /* Configure PDAD GPIO. */ ret = devm_gpio_request_one(&pdev->dev, setup->pdad_pin, - GPIOF_OUT_INIT_HIGH, "codec_pdad"); + GPIOF_OUT_INIT_LOW, "codec_pdad"); if (ret != 0) return ret; /* Configure PDDA GPIO. */ ret = devm_gpio_request_one(&pdev->dev, setup->pdda_pin, - GPIOF_OUT_INIT_HIGH, "codec_pdda"); + GPIOF_OUT_INIT_LOW, "codec_pdda"); if (ret != 0) return ret; -- cgit v1.2.3