From: Lucas Tanure tanureal@opensource.cirrus.com
Signed-off-by: Lucas Tanure tanureal@opensource.cirrus.com Signed-off-by: Vitaly Rodionov vitalyr@opensource.cirrus.com ---
Changes in v2: - No changes
Changes in v3: - No changes
sound/pci/hda/patch_cs8409.c | 14 ++++++++++++++ sound/pci/hda/patch_cs8409.h | 1 + 2 files changed, 15 insertions(+)
diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c index 4ad832f5c4ba..0b13bcecd778 100644 --- a/sound/pci/hda/patch_cs8409.c +++ b/sound/pci/hda/patch_cs8409.c @@ -127,9 +127,13 @@ static int cs8409_i2c_wait_complete(struct hda_codec *codec) static int cs8409_i2c_read(struct hda_codec *codec, unsigned int i2c_address, unsigned int i2c_reg, unsigned int paged) { + struct cs8409_spec *spec = codec->spec; unsigned int i2c_reg_data; unsigned int read_data;
+ if (spec->cs42l42_suspended) + return -EPERM; + cs8409_enable_i2c_clock(codec, 1); cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, i2c_address);
@@ -172,8 +176,12 @@ static int cs8409_i2c_read(struct hda_codec *codec, unsigned int i2c_address, un static int cs8409_i2c_write(struct hda_codec *codec, unsigned int i2c_address, unsigned int i2c_reg, unsigned int i2c_data, unsigned int paged) { + struct cs8409_spec *spec = codec->spec; unsigned int i2c_reg_data;
+ if (spec->cs42l42_suspended) + return -EPERM; + cs8409_enable_i2c_clock(codec, 1); cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, i2c_address);
@@ -371,6 +379,8 @@ static void cs8409_cs42l42_reset(struct hda_codec *codec) /* wait ~10ms */ usleep_range(10000, 15000);
+ spec->cs42l42_suspended = 0; + mutex_lock(&spec->cs8409_i2c_mux);
/* Clear interrupts, by reading interrupt status registers */ @@ -594,6 +604,9 @@ static int cs8409_suspend(struct hda_codec *codec) /* Power down CS42L42 ASP/EQ/MIX/HP */ cs8409_i2c_write(codec, CS42L42_I2C_ADDR, 0x1101, 0xfe, 1); mutex_unlock(&spec->cs8409_i2c_mux); + + spec->cs42l42_suspended = 1; + /* Assert CS42L42 RTS# line */ snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, 0);
@@ -759,6 +772,7 @@ void cs8409_cs42l42_fixups(struct hda_codec *codec, const struct hda_fixup *fix,
spec->cs42l42_hp_jack_in = 0; spec->cs42l42_mic_jack_in = 0; + spec->cs42l42_suspended = 1;
/* Basic initial sequence for specific hw configuration */ snd_hda_sequence_write(codec, cs8409_cs42l42_init_verbs); diff --git a/sound/pci/hda/patch_cs8409.h b/sound/pci/hda/patch_cs8409.h index 1d3ce28415fa..0f2084b6ec8e 100644 --- a/sound/pci/hda/patch_cs8409.h +++ b/sound/pci/hda/patch_cs8409.h @@ -269,6 +269,7 @@ struct cs8409_spec { unsigned int cs42l42_hp_jack_in:1; unsigned int cs42l42_mic_jack_in:1; unsigned int cs42l42_volume_init:1; + unsigned int cs42l42_suspended:1; char cs42l42_hp_volume[CS42L42_HP_CH]; char cs42l42_hs_mic_volume[CS42L42_HS_MIC_CH];