Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5d98f58f authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Mark Brown
Browse files

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: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 68817cdb

sound/soc/intel/boards/bytcr_rt5640.c

+8 −1
Original line number Diff line number Diff line
@@ -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)