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ASoC: Intel: bytcr_rt5640: enable differential mic quirk 

Some Baytrail-CR devices rely on analog mics connected with
differential pairs and not the single-ended default
Add quirk and enable it for T00TAF

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2016-08-12 16:27:46 -05:00 committed by Mark Brown
parent 68817cdb3b
commit 5d98f58fd6
1 changed files with 8 additions and 1 deletions
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9
sound/soc/intel/boards/bytcr_rt5640.c
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@ -41,6 +41,7 @@ enum {
#define BYT_RT5640_MAP(quirk) ((quirk) & 0xff)
#define BYT_RT5640_DMIC_EN BIT(16)
#define BYT_RT5640_MONO_SPEAKER BIT(17)
#define BYT_RT5640_DIFF_MIC BIT(18) /* defaut is single-ended */
static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP |
BYT_RT5640_DMIC_EN;
@ -148,7 +149,8 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = {
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
},
.driver_data = (unsigned long *)(BYT_RT5640_IN1_MAP |
BYT_RT5640_MONO_SPEAKER
BYT_RT5640_MONO_SPEAKER |
BYT_RT5640_DIFF_MIC
),
},
{
@ -223,6 +225,11 @@ static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
if (ret)
return ret;
if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) {
snd_soc_update_bits(codec, RT5640_IN1_IN2, RT5640_IN_DF1,
RT5640_IN_DF1);
}
if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) {
ret = rt5640_dmic_enable(codec, 0, 0);
if (ret)