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audio: enable hw resmaple pause thd [1/1]

Browse Source 
PD#TV-4638

Problem:
Speaker output high frequency howling
after change from pattern 615 to pattern 1 on chroma22294.
The hw resampler keeps sending noise if it has no input.

Solution:
Enable the hw resample pause thd by default.

Verify:
TL1 X301.

Change-Id: I076d1b80c6482661fdc3fd5808f1cc231666d07e
Signed-off-by: Shuai Li <shuai.li@amlogic.com>
This commit is contained in:
Shuai Li
2019-04-18 18:15:54 +08:00
committed by Dongjin Kim
parent 4ccf3d2f04
commit f660ba05d3
3 changed files with 18 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
sound/soc/amlogic/auge/resample.c
View File

@@ -440,11 +440,11 @@ static const struct snd_kcontrol_new asrc_a_controls[] = {
resample_set_enum),
SOC_SINGLE_EXT_TLV("Hw resample pause enable",
EE_AUDIO_RESAMPLEA_CTRL2, 24, 0x1, 0,
mixer_audiobus_read, mixer_audiobus_write,
mixer_audiobus_read, NULL,
NULL),
SOC_SINGLE_EXT_TLV("Hw resample pause thd",
EE_AUDIO_RESAMPLEA_CTRL2, 0, 0xffffff, 0,
mixer_audiobus_read, mixer_audiobus_write,
EE_AUDIO_RESAMPLEA_CTRL2, 11, 0x1fff, 0,
mixer_audiobus_read, NULL,
NULL),
SOC_ENUM_EXT("Hw resample module",
auge_resample_module_enum,
@@ -459,11 +459,11 @@ static const struct snd_kcontrol_new asrc_b_controls[] = {
resample_set_enum),
SOC_SINGLE_EXT_TLV("Hw resample b pause enable",
EE_AUDIO_RESAMPLEB_CTRL2, 24, 0x1, 0,
mixer_audiobus_read, mixer_audiobus_write,
mixer_audiobus_read, NULL,
NULL),
SOC_SINGLE_EXT_TLV("Hw resample b pause thd",
EE_AUDIO_RESAMPLEB_CTRL2, 0, 0xffffff, 0,
mixer_audiobus_read, mixer_audiobus_write,
EE_AUDIO_RESAMPLEB_CTRL2, 11, 0x1fff, 0,
mixer_audiobus_read, NULL,
NULL),
SOC_ENUM_EXT("Hw resample b module",
auge_resample_module_enum,

11
sound/soc/amlogic/auge/resample_hw.c
View File

@@ -115,6 +115,7 @@ int resample_set_hw_param(enum resample_idx id,
reg = EE_AUDIO_RESAMPLEA_CTRL2 + offset * id;
audiobus_update_bits(reg,
1 << 25, 1 << 25);
resample_set_hw_pause_thd(id, 128);
return 0;
}
@@ -160,3 +161,13 @@ void resample_ctrl_write(enum resample_idx id, int value)
audiobus_write(reg, value);
}
int resample_set_hw_pause_thd(enum resample_idx id, unsigned int thd)
{
int offset = EE_AUDIO_RESAMPLEB_CTRL2 - EE_AUDIO_RESAMPLEA_CTRL2;
int reg = EE_AUDIO_RESAMPLEA_CTRL2 + offset * id;
audiobus_write(reg, 1 << 24 | thd << 11);
return 0;
}

1
sound/soc/amlogic/auge/resample_hw.h
View File

@@ -41,5 +41,6 @@ extern void resample_format_set(enum resample_idx id, int ch_num, int bits);
extern int resample_ctrl_read(enum resample_idx id);
extern void resample_ctrl_write(enum resample_idx id, int value);
int resample_set_hw_pause_thd(enum resample_idx id, unsigned int thd);
#endif