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| author | Stefan Binding <sbinding@opensource.cirrus.com> | 2021-08-11 20:56:52 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-08-12 13:41:59 +0200 |
| commit | c8b4f0865e82c14924c69c07d985af3ee9133316 (patch) | |
| tree | 755a5fa873fec54a162b2c3599e80d56861b25dd /sound/pci | |
| parent | ALSA: hda/cs8409: Use timeout rather than retries for I2C transaction waits (diff) | |
| download | linux-c8b4f0865e82c14924c69c07d985af3ee9133316.tar.xz linux-c8b4f0865e82c14924c69c07d985af3ee9133316.zip | |
ALSA: hda/cs8409: Remove unnecessary delays
Since delays when starting jack detection after initialization
have been reduced/removed, it is necessary to add back in an extra
20ms delay after the init sequence to allow the CS42L42 to power up
correctly.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210811185654.6837-26-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/patch_cs8409.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c index 9f6c51a5835a..b528c8353b3c 100644 --- a/sound/pci/hda/patch_cs8409.c +++ b/sound/pci/hda/patch_cs8409.c @@ -541,12 +541,10 @@ static void cs42l42_run_jack_detect(struct sub_codec *cs42l42) cs8409_i2c_write(cs42l42, 0x1b74, 0x07); cs8409_i2c_write(cs42l42, 0x131b, 0xFD); cs8409_i2c_write(cs42l42, 0x1120, 0x80); - /* Wait ~110ms*/ - usleep_range(110000, 200000); + /* Wait ~100us*/ + usleep_range(100, 200); cs8409_i2c_write(cs42l42, 0x111f, 0x77); cs8409_i2c_write(cs42l42, 0x1120, 0xc0); - /* Wait ~10ms */ - usleep_range(10000, 25000); } static int cs42l42_handle_tip_sense(struct sub_codec *cs42l42, unsigned int reg_ts_status) @@ -653,6 +651,7 @@ static void cs42l42_resume(struct sub_codec *cs42l42) /* Initialize CS42L42 companion codec */ cs8409_i2c_bulk_write(cs42l42, cs42l42->init_seq, cs42l42->init_seq_num); + usleep_range(20000, 25000); /* Clear interrupts, by reading interrupt status registers */ cs8409_i2c_bulk_read(cs42l42, irq_regs, ARRAY_SIZE(irq_regs)); @@ -927,7 +926,6 @@ void cs8409_cs42l42_fixups(struct hda_codec *codec, const struct hda_fixup *fix, * Run immediately after init. */ cs42l42_run_jack_detect(spec->scodecs[CS8409_CODEC0]); - usleep_range(100000, 150000); break; default: break; @@ -1122,10 +1120,8 @@ void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int ac * been already plugged in. * Run immediately after init. */ - for (i = 0; i < spec->num_scodecs; i++) { + for (i = 0; i < spec->num_scodecs; i++) cs42l42_run_jack_detect(spec->scodecs[i]); - usleep_range(100000, 150000); - } break; default: |