ASoC: rt5640: add internal clock source support

Adding missing definitions and flags to select internal
clock source as system clock, needed for jack detection.

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

2 files changed, 4 insertions, 0 deletions

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index 09e8988bbb2d..b0f6f0712ba1 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -1870,6 +1870,9 @@ static int rt5640_set_dai_sysclk(struct snd_soc_dai *dai,
         case RT5640_SCLK_S_PLL1:
                 reg_val |= RT5640_SCLK_SRC_PLL1;
                 break;
+        case RT5640_SCLK_S_RCCLK:
+                reg_val |= RT5640_SCLK_SRC_RCCLK;
+                break;
         default:
                 dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id);
                 return -EINVAL;
diff --git a/sound/soc/codecs/rt5640.h b/sound/soc/codecs/rt5640.h
index 58b664b06c16..90c88711c72a 100644
--- a/sound/soc/codecs/rt5640.h
+++ b/sound/soc/codecs/rt5640.h
@@ -984,6 +984,7 @@
 #define RT5640_SCLK_SRC_SFT                     14
 #define RT5640_SCLK_SRC_MCLK                    (0x0 << 14)
 #define RT5640_SCLK_SRC_PLL1                    (0x1 << 14)
+#define RT5640_SCLK_SRC_RCCLK                   (0x2 << 14)
 #define RT5640_PLL1_SRC_MASK                    (0x3 << 12)
 #define RT5640_PLL1_SRC_SFT                     12
 #define RT5640_PLL1_SRC_MCLK                    (0x0 << 12)