diff options
| author | Stefan Binding <sbinding@opensource.cirrus.com> | 2021-08-11 19:56:51 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-08-12 13:41:58 +0200 |
| commit | 928adf0ebc7893ee228a06479b1b797779fd41a9 (patch) | |
| tree | 388195a96249ae501637d126a8d2d6c52c6f2b10 /sound | |
| parent | fed0aaca0b0f204ca40b89b22b0e493ceb27d48e (diff) | |
ALSA: hda/cs8409: Use timeout rather than retries for I2C transaction waits
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210811185654.6837-25-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/patch_cs8409.c | 16 | ||||
| -rw-r--r-- | 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 */ |