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ALSA: hda/cirrus: Reduce codec resume time

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This patch reduces the resume time by half and introduces an option to
include a delay after a single write operation before continuing.

Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://patch.msgid.link/20250214162354.2675652-2-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Vitaly Rodionov 2025-02-14 16:23:26 +00:00 • committed by Takashi Iwai
parent 08b613b9e2
commit 6a7ed7ee16
3 changed files with 9 additions and 5 deletions
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6
sound/pci/hda/patch_cs8409-tables.c
View file

@ -131,7 +131,7 @@ static const struct cs8409_i2c_param cs42l42_init_reg_seq[] = {
{ CS42L42_RSENSE_CTL3, 0x00 },
{ CS42L42_TSENSE_CTL, 0x80 },
{ CS42L42_HS_BIAS_CTL, 0xC0 },
{ CS42L42_PWR_CTL1, 0x02 },
{ CS42L42_PWR_CTL1, 0x02, 10000 },
{ CS42L42_ADC_OVFL_INT_MASK, 0xff },
{ CS42L42_MIXER_INT_MASK, 0xff },
{ CS42L42_SRC_INT_MASK, 0xff },
@ -328,7 +328,7 @@ static const struct cs8409_i2c_param dolphin_c0_init_reg_seq[] = {
{ CS42L42_RSENSE_CTL3, 0x00 },
{ CS42L42_TSENSE_CTL, 0x80 },
{ CS42L42_HS_BIAS_CTL, 0xC0 },
{ CS42L42_PWR_CTL1, 0x02 },
{ CS42L42_PWR_CTL1, 0x02, 10000 },
{ CS42L42_ADC_OVFL_INT_MASK, 0xff },
{ CS42L42_MIXER_INT_MASK, 0xff },
{ CS42L42_SRC_INT_MASK, 0xff },
@ -384,7 +384,7 @@ static const struct cs8409_i2c_param dolphin_c1_init_reg_seq[] = {
{ CS42L42_RSENSE_CTL3, 0x00 },
{ CS42L42_TSENSE_CTL, 0x80 },
{ CS42L42_HS_BIAS_CTL, 0xC0 },
{ CS42L42_PWR_CTL1, 0x06 },
{ CS42L42_PWR_CTL1, 0x06, 10000 },
{ CS42L42_ADC_OVFL_INT_MASK, 0xff },
{ CS42L42_MIXER_INT_MASK, 0xff },
{ CS42L42_SRC_INT_MASK, 0xff },

6
sound/pci/hda/patch_cs8409.c
View file

@ -346,6 +346,11 @@ static int cs8409_i2c_bulk_write(struct sub_codec *scodec, const struct cs8409_i
if (cs8409_i2c_wait_complete(codec) < 0)
goto error;
/* Certain use cases may require a delay
* after a write operation before proceeding.
*/
if (seq[i].delay)
fsleep(seq[i].delay);
}
mutex_unlock(&spec->i2c_mux);
@ -888,7 +893,6 @@ static void cs42l42_resume(struct sub_codec *cs42l42)
/* Initialize CS42L42 companion codec */
cs8409_i2c_bulk_write(cs42l42, cs42l42->init_seq, cs42l42->init_seq_num);
msleep(CS42L42_INIT_TIMEOUT_MS);
/* Clear interrupts, by reading interrupt status registers */
cs8409_i2c_bulk_read(cs42l42, irq_regs, ARRAY_SIZE(irq_regs));

2
sound/pci/hda/patch_cs8409.h
View file

@ -229,7 +229,6 @@ enum cs8409_coefficient_index_registers {
#define CS42L42_I2C_SLEEP_US (2000)
#define CS42L42_PDN_TIMEOUT_US (250000)
#define CS42L42_PDN_SLEEP_US (2000)
#define CS42L42_INIT_TIMEOUT_MS (45)
#define CS42L42_ANA_MUTE_AB (0x0C)
#define CS42L42_FULL_SCALE_VOL_MASK (2)
#define CS42L42_FULL_SCALE_VOL_0DB (0)
@ -291,6 +290,7 @@ enum {
struct cs8409_i2c_param {
unsigned int addr;
unsigned int value;
unsigned int delay;
};
struct cs8409_cir_param {