[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>
diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c
index 9deba80..cb89f7e 100644
--- a/sound/i2c/cs8427.c
+++ b/sound/i2c/cs8427.c
@@ -291,11 +291,13 @@
{
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 @@
}
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);