ASoC: Intel: bytcr-rt5651: add support for Line In

Add the DAPM widgets and routes.

Tested with MinnowMax Turbot + rt5651 eval board with Speaker
(LineOut) -> LineIn loopback

Thanks to Bard Liao @ Realtek for providing the 0dB settings

"IN Capture Volume" = 23
"ADC Capture Volume" = 47
"OUT Playback Volume" = 31
"DAC1 Playback Volume" = 175

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
index dfe6435f8ed06cc7cc2487c884cb12416f7c7b64..22c9cc5d135e365ebb71feff264d31e862129034 100644 (file)
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -131,6 +131,7 @@ static const struct snd_soc_dapm_widget byt_rt5651_widgets[] = {
        SND_SOC_DAPM_MIC("Headset Mic", NULL),
        SND_SOC_DAPM_MIC("Internal Mic", NULL),
        SND_SOC_DAPM_SPK("Speaker", NULL),
+       SND_SOC_DAPM_LINE("Line In", NULL),
        SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
                            platform_clock_control, SND_SOC_DAPM_PRE_PMU |
                            SND_SOC_DAPM_POST_PMD),
@@ -142,6 +143,7 @@ static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
        {"Headset Mic", NULL, "Platform Clock"},
        {"Internal Mic", NULL, "Platform Clock"},
        {"Speaker", NULL, "Platform Clock"},
+       {"Line In", NULL, "Platform Clock"},
 
        {"AIF1 Playback", NULL, "ssp2 Tx"},
        {"ssp2 Tx", NULL, "codec_out0"},
@@ -155,6 +157,9 @@ static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
        {"Headphone", NULL, "HPOR"},
        {"Speaker", NULL, "LOUTL"},
        {"Speaker", NULL, "LOUTR"},
+       {"IN2P", NULL, "Line In"},
+       {"IN2N", NULL, "Line In"},
+
 };
 
 static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = {
@@ -193,6 +198,7 @@ static const struct snd_kcontrol_new byt_rt5651_controls[] = {
        SOC_DAPM_PIN_SWITCH("Headset Mic"),
        SOC_DAPM_PIN_SWITCH("Internal Mic"),
        SOC_DAPM_PIN_SWITCH("Speaker"),
+       SOC_DAPM_PIN_SWITCH("Line In"),
 };
 
 static struct snd_soc_jack_pin bytcr_jack_pins[] = {