diff options
Diffstat (limited to 'sound/soc/codecs/wm8962.c')
| -rw-r--r-- | sound/soc/codecs/wm8962.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 3a1db4a..6d30f34 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -1733,6 +1733,31 @@ static void wm8962_free_beep(struct snd_soc_codec *codec) } #endif +static void wm8962_set_gpio_mode(struct snd_soc_codec *codec, int gpio) +{ + int mask = 0; + int val = 0; + + /* Some of the GPIOs are behind MFP configuration and need to + * be put into GPIO mode. */ + switch (gpio) { + case 2: + mask = WM8962_CLKOUT2_SEL_MASK; + val = 1 << WM8962_CLKOUT2_SEL_SHIFT; + break; + case 3: + mask = WM8962_CLKOUT3_SEL_MASK; + val = 1 << WM8962_CLKOUT3_SEL_SHIFT; + break; + default: + break; + } + + if (mask) + snd_soc_update_bits(codec, WM8962_ANALOGUE_CLOCKING1, + mask, val); +} + #ifdef CONFIG_GPIOLIB static inline struct wm8962_priv *gpio_to_wm8962(struct gpio_chip *chip) { @@ -1743,8 +1768,6 @@ static int wm8962_gpio_request(struct gpio_chip *chip, unsigned offset) { struct wm8962_priv *wm8962 = gpio_to_wm8962(chip); struct snd_soc_codec *codec = wm8962->codec; - int mask = 0; - int val; /* The WM8962 GPIOs aren't linearly numbered. For simplicity * we export linear numbers and error out if the unsupported @@ -1752,13 +1775,7 @@ static int wm8962_gpio_request(struct gpio_chip *chip, unsigned offset) */ switch (offset + 1) { case 2: - mask = WM8962_CLKOUT2_SEL_MASK; - val = 1 << WM8962_CLKOUT2_SEL_SHIFT; - break; case 3: - mask = WM8962_CLKOUT3_SEL_MASK; - val = 1 << WM8962_CLKOUT3_SEL_SHIFT; - break; case 5: case 6: break; @@ -1766,10 +1783,7 @@ static int wm8962_gpio_request(struct gpio_chip *chip, unsigned offset) return -EINVAL; } - /* Some of the GPIOs are behind MFP configuration */ - if (mask) - snd_soc_update_bits(codec, WM8962_ANALOGUE_CLOCKING1, - mask, val); + wm8962_set_gpio_mode(codec, offset + 1); return 0; } @@ -1943,9 +1957,11 @@ static int wm8962_probe(struct snd_soc_codec *codec) if (pdata) { /* Apply static configuration for GPIOs */ for (i = 0; i < ARRAY_SIZE(pdata->gpio_init); i++) - if (pdata->gpio_init[i]) + if (pdata->gpio_init[i]) { + wm8962_set_gpio_mode(codec, i + 1); snd_soc_write(codec, 0x200 + i, pdata->gpio_init[i] & 0xffff); + } /* Put the speakers into mono mode? */ if (pdata->spk_mono) |