[alsa-devel] [PATCH] ASoC: Remove direct register cache accesses from WM8962 driver
Also fix return values for speaker switch updates.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8962.c | 21 +++++++++++---------- 1 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 59b2ad6..c2f68aa 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -2141,7 +2141,6 @@ static int wm8962_put_spk_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - u16 *reg_cache = codec->reg_cache; int ret;
/* Apply the update (if any) */ @@ -2150,16 +2149,19 @@ static int wm8962_put_spk_sw(struct snd_kcontrol *kcontrol, return 0;
/* If the left PGA is enabled hit that VU bit... */ - if (reg_cache[WM8962_PWR_MGMT_2] & WM8962_SPKOUTL_PGA_ENA) - return snd_soc_write(codec, WM8962_SPKOUTL_VOLUME, - reg_cache[WM8962_SPKOUTL_VOLUME]); + ret = snd_soc_read(codec, WM8962_PWR_MGMT_2); + if (ret & WM8962_SPKOUTL_PGA_ENA) { + snd_soc_write(codec, WM8962_SPKOUTL_VOLUME, + snd_soc_read(codec, WM8962_SPKOUTL_VOLUME)); + return 1; + }
/* ...otherwise the right. The VU is stereo. */ - if (reg_cache[WM8962_PWR_MGMT_2] & WM8962_SPKOUTR_PGA_ENA) - return snd_soc_write(codec, WM8962_SPKOUTR_VOLUME, - reg_cache[WM8962_SPKOUTR_VOLUME]); + if (ret & WM8962_SPKOUTR_PGA_ENA) + snd_soc_write(codec, WM8962_SPKOUTR_VOLUME, + snd_soc_read(codec, WM8962_SPKOUTR_VOLUME));
- return 0; + return 1; }
static const char *cap_hpf_mode_text[] = { @@ -2500,7 +2502,6 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; - u16 *reg_cache = codec->reg_cache; int reg;
switch (w->shift) { @@ -2523,7 +2524,7 @@ static int out_pga_event(struct snd_soc_dapm_widget *w,
switch (event) { case SND_SOC_DAPM_POST_PMU: - return snd_soc_write(codec, reg, reg_cache[reg]); + return snd_soc_write(codec, reg, snd_soc_read(codec, reg)); default: BUG(); return -EINVAL;
participants (1)
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Mark Brown