From: Brent Lu <brent.lu@intel.com> To: alsa-devel@alsa-project.org Cc: Cezary Rojewski <cezary.rojewski@intel.com>, Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>, Liam Girdwood <liam.r.girdwood@linux.intel.com>, Jie Yang <yang.jie@linux.intel.com>, Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Ben Zhang <benzh@chromium.org>, Mac Chiang <mac.chiang@intel.com>, Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>, Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>, Brent Lu <brent.lu@intel.com>, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] ASoC: broadwell: channel constraint support Date: Mon, 27 Apr 2020 16:37:18 +0800 [thread overview] Message-ID: <1587976638-29806-4-git-send-email-brent.lu@intel.com> (raw) In-Reply-To: <1587976638-29806-1-git-send-email-brent.lu@intel.com> BDW boards using this machine driver supports only stereo capture and playback. Implement a constraint to enforce it. Signed-off-by: Brent Lu <brent.lu@intel.com> --- sound/soc/intel/boards/broadwell.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/sound/soc/intel/boards/broadwell.c b/sound/soc/intel/boards/broadwell.c index f9a8336..09347f2 100644 --- a/sound/soc/intel/boards/broadwell.c +++ b/sound/soc/intel/boards/broadwell.c @@ -19,6 +19,8 @@ #include "../../codecs/rt286.h" +#define DUAL_CHANNEL 2 + static struct snd_soc_jack broadwell_headset; /* Headset jack detection DAPM pins */ static struct snd_soc_jack_pin broadwell_headset_pins[] = { @@ -143,6 +145,36 @@ static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd) } #endif +static const unsigned int channels[] = { + DUAL_CHANNEL, +}; + +static const struct snd_pcm_hw_constraint_list constraints_channels = { + .count = ARRAY_SIZE(channels), + .list = channels, + .mask = 0, +}; + +static int broadwell_fe_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + /* + * On this platform for PCM device we support, + * stereo audio + */ + + runtime->hw.channels_max = DUAL_CHANNEL; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_channels); + + return 0; +} + +static const struct snd_soc_ops broadwell_fe_ops = { + .startup = broadwell_fe_startup, +}; + SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); @@ -180,6 +212,7 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = { .init = broadwell_rtd_init, #endif .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .ops = &broadwell_fe_ops, .dpcm_playback = 1, .dpcm_capture = 1, SND_SOC_DAILINK_REG(system, dummy, platform), -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Brent Lu <brent.lu@intel.com> To: alsa-devel@alsa-project.org Cc: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>, Cezary Rojewski <cezary.rojewski@intel.com>, Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>, linux-kernel@vger.kernel.org, Takashi Iwai <tiwai@suse.com>, Jie Yang <yang.jie@linux.intel.com>, Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>, Liam Girdwood <liam.r.girdwood@linux.intel.com>, Ben Zhang <benzh@chromium.org>, Mac Chiang <mac.chiang@intel.com>, Mark Brown <broonie@kernel.org>, Brent Lu <brent.lu@intel.com> Subject: [PATCH 3/3] ASoC: broadwell: channel constraint support Date: Mon, 27 Apr 2020 16:37:18 +0800 [thread overview] Message-ID: <1587976638-29806-4-git-send-email-brent.lu@intel.com> (raw) In-Reply-To: <1587976638-29806-1-git-send-email-brent.lu@intel.com> BDW boards using this machine driver supports only stereo capture and playback. Implement a constraint to enforce it. Signed-off-by: Brent Lu <brent.lu@intel.com> --- sound/soc/intel/boards/broadwell.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/sound/soc/intel/boards/broadwell.c b/sound/soc/intel/boards/broadwell.c index f9a8336..09347f2 100644 --- a/sound/soc/intel/boards/broadwell.c +++ b/sound/soc/intel/boards/broadwell.c @@ -19,6 +19,8 @@ #include "../../codecs/rt286.h" +#define DUAL_CHANNEL 2 + static struct snd_soc_jack broadwell_headset; /* Headset jack detection DAPM pins */ static struct snd_soc_jack_pin broadwell_headset_pins[] = { @@ -143,6 +145,36 @@ static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd) } #endif +static const unsigned int channels[] = { + DUAL_CHANNEL, +}; + +static const struct snd_pcm_hw_constraint_list constraints_channels = { + .count = ARRAY_SIZE(channels), + .list = channels, + .mask = 0, +}; + +static int broadwell_fe_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + /* + * On this platform for PCM device we support, + * stereo audio + */ + + runtime->hw.channels_max = DUAL_CHANNEL; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_channels); + + return 0; +} + +static const struct snd_soc_ops broadwell_fe_ops = { + .startup = broadwell_fe_startup, +}; + SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); @@ -180,6 +212,7 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = { .init = broadwell_rtd_init, #endif .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .ops = &broadwell_fe_ops, .dpcm_playback = 1, .dpcm_capture = 1, SND_SOC_DAILINK_REG(system, dummy, platform), -- 2.7.4
next prev parent reply other threads:[~2020-04-27 8:43 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-27 8:37 [PATCH 0/3] add channel constraint for BDW machine drivers Brent Lu 2020-04-27 8:37 ` Brent Lu 2020-04-27 8:37 ` [PATCH 1/3] ASoC: bdw-rt5677: channel constraint support Brent Lu 2020-04-27 8:37 ` Brent Lu 2020-04-27 10:58 ` Cezary Rojewski 2020-04-27 10:58 ` Cezary Rojewski 2020-04-27 8:37 ` [PATCH 2/3] ASoC: bdw-rt5650: " Brent Lu 2020-04-27 8:37 ` Brent Lu 2020-04-27 10:58 ` Cezary Rojewski 2020-04-27 10:58 ` Cezary Rojewski 2020-04-27 15:30 ` Lu, Brent 2020-04-27 15:30 ` Lu, Brent 2020-04-27 8:37 ` Brent Lu [this message] 2020-04-27 8:37 ` [PATCH 3/3] ASoC: broadwell: " Brent Lu 2020-04-27 10:58 ` Cezary Rojewski 2020-04-27 10:58 ` Cezary Rojewski 2020-04-27 11:01 ` [PATCH 0/3] add channel constraint for BDW machine drivers Cezary Rojewski 2020-04-27 11:01 ` Cezary Rojewski 2020-04-27 11:15 ` Cezary Rojewski 2020-04-27 11:15 ` Cezary Rojewski 2020-04-27 15:10 ` Lu, Brent 2020-04-27 15:10 ` Lu, Brent
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