diff options
| author | Dan Murphy <dmurphy@ti.com> | 2020-09-18 14:05:48 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-09-21 23:57:23 +0100 |
| commit | be05ab41c61858cce557a1fe863ed00f38e31e97 (patch) | |
| tree | 259aea08ae0f54a8f7892f8e25a0351f2ad2530b /sound/soc/codecs/tas2770.c | |
| parent | d3964aff7331cd9695d0c18655e053b08837ff78 (diff) | |
| download | lwn-be05ab41c61858cce557a1fe863ed00f38e31e97.tar.gz lwn-be05ab41c61858cce557a1fe863ed00f38e31e97.zip | |
ASoC: tas2770: Refactor sample rate function
Refactor the tas2770_set_samplerate to simplify the code and access the
I2C bus only once per rate request. The ramp rate and sample rate bits
are contained in the same register so a single call to the
snd_soc_update_bits function is all that is needed
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20200918190548.12598-9-dmurphy@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/tas2770.c')
| -rw-r--r-- | sound/soc/codecs/tas2770.c | 75 |
1 files changed, 19 insertions, 56 deletions
diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c index b17cf0a7f785..386aaa11fa08 100644 --- a/sound/soc/codecs/tas2770.c +++ b/sound/soc/codecs/tas2770.c @@ -252,80 +252,43 @@ static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth) static int tas2770_set_samplerate(struct tas2770_priv *tas2770, int samplerate) { - int ret; struct snd_soc_component *component = tas2770->component; + int ramp_rate_val; + int ret; switch (samplerate) { case 48000: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_48KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_44_1_48KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_48KHZ | + TAS2770_TDM_CFG_REG0_31_44_1_48KHZ; break; case 44100: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_44_1KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_44_1_48KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_44_1KHZ | + TAS2770_TDM_CFG_REG0_31_44_1_48KHZ; break; case 96000: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_48KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_88_2_96KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_48KHZ | + TAS2770_TDM_CFG_REG0_31_88_2_96KHZ; break; case 88200: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_44_1KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_88_2_96KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_44_1KHZ | + TAS2770_TDM_CFG_REG0_31_88_2_96KHZ; break; case 19200: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_48KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_176_4_192KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_48KHZ | + TAS2770_TDM_CFG_REG0_31_176_4_192KHZ; break; case 17640: - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_SMP_MASK, - TAS2770_TDM_CFG_REG0_SMP_44_1KHZ); - if (ret < 0) - return ret; - - ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, - TAS2770_TDM_CFG_REG0_31_MASK, - TAS2770_TDM_CFG_REG0_31_176_4_192KHZ); + ramp_rate_val = TAS2770_TDM_CFG_REG0_SMP_44_1KHZ | + TAS2770_TDM_CFG_REG0_31_176_4_192KHZ; break; default: - ret = -EINVAL; + return -EINVAL; } + ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0, + TAS2770_TDM_CFG_REG0_SMP_MASK | + TAS2770_TDM_CFG_REG0_31_MASK, + ramp_rate_val); if (ret < 0) return ret; |