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Diffstat (limited to 'sound/soc/codecs/wm8962.c')
-rw-r--r--sound/soc/codecs/wm8962.c55
1 files changed, 33 insertions, 22 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index d2c315fa1b9..c6106753090 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -1959,7 +1959,13 @@ static int wm8962_readable_register(struct snd_soc_codec *codec, unsigned int re
static int wm8962_reset(struct snd_soc_codec *codec)
{
- return snd_soc_write(codec, WM8962_SOFTWARE_RESET, 0x6243);
+ int ret;
+
+ ret = snd_soc_write(codec, WM8962_SOFTWARE_RESET, 0x6243);
+ if (ret != 0)
+ return ret;
+
+ return snd_soc_write(codec, WM8962_PLL_SOFTWARE_RESET, 0);
}
static const DECLARE_TLV_DB_SCALE(inpga_tlv, -2325, 75, 0);
@@ -2021,7 +2027,6 @@ 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) */
@@ -2030,16 +2035,19 @@ 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[] = {
@@ -2225,15 +2233,14 @@ static int sysclk_event(struct snd_soc_dapm_widget *w,
snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1,
WM8962_FLL_ENA, WM8962_FLL_ENA);
- if (wm8962->irq) {
- timeout = msecs_to_jiffies(5);
- timeout = wait_for_completion_timeout(&wm8962->fll_lock,
- timeout);
-
- if (timeout == 0)
- dev_err(codec->dev,
- "Timed out starting FLL\n");
- }
+
+ timeout = msecs_to_jiffies(5);
+ timeout = wait_for_completion_timeout(&wm8962->fll_lock,
+ timeout);
+
+ if (wm8962->irq && timeout == 0)
+ dev_err(codec->dev,
+ "Timed out starting FLL\n");
}
break;
@@ -2365,7 +2372,6 @@ 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) {
@@ -2388,7 +2394,7 @@ 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;
@@ -3058,9 +3064,9 @@ static int wm8962_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
int aif0 = 0;
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_DSP_A:
- aif0 |= WM8962_LRCLK_INV;
case SND_SOC_DAIFMT_DSP_B:
+ aif0 |= WM8962_LRCLK_INV | 3;
+ case SND_SOC_DAIFMT_DSP_A:
aif0 |= 3;
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
@@ -3847,6 +3853,11 @@ static int wm8962_probe(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, WM8962_CLOCKING2,
WM8962_CLKREG_OVD, WM8962_CLKREG_OVD);
+ /* Ensure that the oscillator and PLLs are disabled */
+ snd_soc_update_bits(codec, WM8962_PLL2,
+ WM8962_OSC_ENA | WM8962_PLL2_ENA | WM8962_PLL3_ENA,
+ 0);
+
regulator_bulk_disable(ARRAY_SIZE(wm8962->supplies), wm8962->supplies);
if (pdata) {