[ALSA] ice1712 & cs8427 - fix problem for S/PDIF input setup

Modules: I2C cs8427,ICE1712 driver

See ALSA bug#1785 for more details.

Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 5 insertions, 2 deletions

diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c
index 9deba80a587..cb89f7eb923 100644
--- a/sound/i2c/cs8427.c
+++ b/sound/i2c/cs8427.c
@@ -291,11 +291,13 @@ static void snd_cs8427_reset(struct snd_i2c_device *cs8427)
 {
         struct cs8427 *chip;
         unsigned long end_time;
-        int data;
+        int data, aes3input = 0;
 
         snd_assert(cs8427, return);
         chip = cs8427->private_data;
         snd_i2c_lock(cs8427->bus);
+        if ((chip->regmap[CS8427_REG_CLOCKSOURCE] & CS8427_RXDAES3INPUT) == CS8427_RXDAES3INPUT)  /* AES3 bit is set */
+                aes3input = 1;
         chip->regmap[CS8427_REG_CLOCKSOURCE] &= ~(CS8427_RUN | CS8427_RXDMASK);
         snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE,
                              chip->regmap[CS8427_REG_CLOCKSOURCE]);
@@ -316,7 +318,8 @@ static void snd_cs8427_reset(struct snd_i2c_device *cs8427)
         }
         snd_i2c_lock(cs8427->bus);
         chip->regmap[CS8427_REG_CLOCKSOURCE] &= ~CS8427_RXDMASK;
-        chip->regmap[CS8427_REG_CLOCKSOURCE] |= CS8427_RXDAES3INPUT;
+        if (aes3input)
+                chip->regmap[CS8427_REG_CLOCKSOURCE] |= CS8427_RXDAES3INPUT;
         snd_cs8427_reg_write(cs8427, CS8427_REG_CLOCKSOURCE,
                              chip->regmap[CS8427_REG_CLOCKSOURCE]);
         snd_i2c_unlock(cs8427->bus);