From: Stefan Binding sbinding@opensource.cirrus.com
Signed-off-by: Stefan Binding sbinding@opensource.cirrus.com Signed-off-by: Vitaly Rodionov vitalyr@opensource.cirrus.com ---
Changes in v2: - No changes
Changes in v3: - No changes
Changes in v4: - No changes
sound/pci/hda/patch_cs8409.c | 16 +++------------- sound/pci/hda/patch_cs8409.h | 2 ++ 2 files changed, 5 insertions(+), 13 deletions(-)
diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c index 897c48140d8b..9f6c51a5835a 100644 --- a/sound/pci/hda/patch_cs8409.c +++ b/sound/pci/hda/patch_cs8409.c @@ -140,24 +140,14 @@ static void cs8409_enable_i2c_clock(struct hda_codec *codec) * @codec: the codec instance * * Wait for I2C transaction to complete. - * Return -1 if transaction wait times out. + * Return -ETIMEDOUT if transaction wait times out. */ static int cs8409_i2c_wait_complete(struct hda_codec *codec) { - int repeat = 5; unsigned int retval;
- do { - retval = cs8409_vendor_coef_get(codec, CS8409_I2C_STS); - if ((retval & 0x18) != 0x18) { - usleep_range(2000, 4000); - --repeat; - } else - return 0; - - } while (repeat); - - return -1; + return read_poll_timeout(cs8409_vendor_coef_get, retval, retval & 0x18, + CS42L42_I2C_SLEEP_US, CS42L42_I2C_TIMEOUT_US, false, codec, CS8409_I2C_STS); }
/** diff --git a/sound/pci/hda/patch_cs8409.h b/sound/pci/hda/patch_cs8409.h index 2208be2ffad1..71dbbd8e2f3b 100644 --- a/sound/pci/hda/patch_cs8409.h +++ b/sound/pci/hda/patch_cs8409.h @@ -231,6 +231,8 @@ enum cs8409_coefficient_index_registers { #define CS42L42_HSTYPE_MASK (0x03) #define CS42L42_JACK_INSERTED (0x0C) #define CS42L42_JACK_REMOVED (0x00) +#define CS42L42_I2C_TIMEOUT_US (20000) +#define CS42L42_I2C_SLEEP_US (2000)
/* Dell BULLSEYE / WARLOCK / CYBORG Specific Definitions */