[alsa-devel] [PATCH 16/17] ASoC: Intel: cht-bsw-rt5645: select ASRC source based on routing quirk

Pierre-Louis Bossart pierre-louis.bossart at linux.intel.com
Thu Jan 26 21:09:44 CET 2017


Some platforms use AIF2, use routing information to set ASRC as needed

Suggested-by: Bard Liao <bardliao at realtek.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=95681
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 sound/soc/intel/boards/cht_bsw_rt5645.c | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boards/cht_bsw_rt5645.c
index 111d45f..a97eef6 100644
--- a/sound/soc/intel/boards/cht_bsw_rt5645.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5645.c
@@ -265,13 +265,24 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
 	struct snd_soc_dai *codec_dai = runtime->codec_dai;
 	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
 
-	/* Select clk_i2s1_asrc as ASRC clock source */
-	rt5645_sel_asrc_clk_src(codec,
-				RT5645_DA_STEREO_FILTER |
-				RT5645_DA_MONO_L_FILTER |
-				RT5645_DA_MONO_R_FILTER |
-				RT5645_AD_STEREO_FILTER,
-				RT5645_CLK_SEL_I2S1_ASRC);
+	if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
+	    (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
+		/* Select clk_i2s2_asrc as ASRC clock source */
+		rt5645_sel_asrc_clk_src(codec,
+					RT5645_DA_STEREO_FILTER |
+					RT5645_DA_MONO_L_FILTER |
+					RT5645_DA_MONO_R_FILTER |
+					RT5645_AD_STEREO_FILTER,
+					RT5645_CLK_SEL_I2S2_ASRC);
+	} else {
+		/* Select clk_i2s1_asrc as ASRC clock source */
+		rt5645_sel_asrc_clk_src(codec,
+					RT5645_DA_STEREO_FILTER |
+					RT5645_DA_MONO_L_FILTER |
+					RT5645_DA_MONO_R_FILTER |
+					RT5645_AD_STEREO_FILTER,
+					RT5645_CLK_SEL_I2S1_ASRC);
+	}
 
 	if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) {
 		ret = snd_soc_dapm_add_routes(&card->dapm,
-- 
2.7.4



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