ASoC: Intel: bytcr_rt5640: add SSP2_AIF2 routing

Add quirk to model routing on Baytrail-CR devices

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 46 insertions, 8 deletions

diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 085e57f95fb2..6c6f67356c99 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -42,6 +42,7 @@ enum {
 #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 */
+#define BYT_RT5640_SSP2_AIF2     BIT(19) /* default is using AIF1  */
 
 static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP |
                                         BYT_RT5640_DMIC_EN;
@@ -54,13 +55,6 @@ static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
 };
 
 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
-        {"AIF1 Playback", NULL, "ssp2 Tx"},
-        {"ssp2 Tx", NULL, "codec_out0"},
-        {"ssp2 Tx", NULL, "codec_out1"},
-        {"codec_in0", NULL, "ssp2 Rx"},
-        {"codec_in1", NULL, "ssp2 Rx"},
-        {"ssp2 Rx", NULL, "AIF1 Capture"},
-
         {"Headset Mic", NULL, "MICBIAS1"},
         {"IN2P", NULL, "Headset Mic"},
         {"Headphone", NULL, "HPOL"},
@@ -80,6 +74,26 @@ static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
         {"IN1P", NULL, "Internal Mic"},
 };
 
+static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
+        {"ssp2 Tx", NULL, "codec_out0"},
+        {"ssp2 Tx", NULL, "codec_out1"},
+        {"codec_in0", NULL, "ssp2 Rx"},
+        {"codec_in1", NULL, "ssp2 Rx"},
+
+        {"AIF1 Playback", NULL, "ssp2 Tx"},
+        {"ssp2 Rx", NULL, "AIF1 Capture"},
+};
+
+static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = {
+        {"ssp2 Tx", NULL, "codec_out0"},
+        {"ssp2 Tx", NULL, "codec_out1"},
+        {"codec_in0", NULL, "ssp2 Rx"},
+        {"codec_in1", NULL, "ssp2 Rx"},
+
+        {"AIF2 Playback", NULL, "ssp2 Tx"},
+        {"ssp2 Rx", NULL, "AIF2 Capture"},
+};
+
 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
         {"Speaker", NULL, "SPOLP"},
         {"Speaker", NULL, "SPOLN"},
@@ -213,6 +227,18 @@ static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
         if (ret)
                 return ret;
 
+        if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
+                ret = snd_soc_dapm_add_routes(&card->dapm,
+                                        byt_rt5640_ssp2_aif2_map,
+                                        ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
+        } else {
+                ret = snd_soc_dapm_add_routes(&card->dapm,
+                                        byt_rt5640_ssp2_aif1_map,
+                                        ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
+        }
+        if (ret)
+                return ret;
+
         if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
                 ret = snd_soc_dapm_add_routes(&card->dapm,
                                         byt_rt5640_mono_spk_map,
@@ -346,7 +372,7 @@ static struct snd_soc_dai_link byt_rt5640_dais[] = {
                 .cpu_dai_name = "ssp2-port",
                 .platform_name = "sst-mfld-platform",
                 .no_pcm = 1,
-                .codec_dai_name = "rt5640-aif1",
+                .codec_dai_name = "rt5640-aif1", /* changed w/ quirk */
                 .codec_name = "i2c-10EC5640:00", /* overwritten with HID */
                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
                                                 | SND_SOC_DAIFMT_CBS_CFS,
@@ -373,6 +399,7 @@ static struct snd_soc_card byt_rt5640_card = {
 };
 
 static char byt_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
+static char byt_rt5640_codec_aif_name[12]; /*  = "rt5640-aif[1|2]" */
 
 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 {
@@ -407,6 +434,17 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
         /* check quirks before creating card */
         dmi_check_system(byt_rt5640_quirk_table);
 
+        if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
+
+                /* fixup codec aif name */
+                snprintf(byt_rt5640_codec_aif_name,
+                        sizeof(byt_rt5640_codec_aif_name),
+                        "%s", "rt5640-aif2");
+
+                byt_rt5640_dais[dai_index].codec_dai_name =
+                        byt_rt5640_codec_aif_name;
+        }
+
         ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
 
         if (ret_val) {