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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-11 19:10:50 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-25 09:55:02 +0100
commitec8ffe1868f45a72eb243f1c9797806be58276fd (patch)
tree6f7e407415aae35e15158c559fa59379a5b0b6dc /sound/soc/codecs/wm8996.c
parentd4b3d0fbb7617a65cb919ac86110b0790ae568c5 (diff)
downloadlinux-ec8ffe1868f45a72eb243f1c9797806be58276fd.tar.bz2
ASoC: wm8996: Move register default configuration to I2C probe
This gets the registers set up as early as possible, mainly useful for the GPIOs to ensure that they're in the correct mode. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8996.c')
-rw-r--r--sound/soc/codecs/wm8996.c331
1 files changed, 180 insertions, 151 deletions
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index 1579880ac05d..00f183dfa454 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -2619,7 +2619,7 @@ static int wm8996_probe(struct snd_soc_codec *codec)
int ret;
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
struct i2c_client *i2c = to_i2c_client(codec->dev);
- int i, irq_flags;
+ int irq_flags;
wm8996->codec = codec;
@@ -2634,162 +2634,12 @@ static int wm8996_probe(struct snd_soc_codec *codec)
goto err;
}
- /* Apply platform data settings */
- snd_soc_update_bits(codec, WM8996_LINE_INPUT_CONTROL,
- WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
- wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
- wm8996->pdata.inr_mode);
-
- for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
- if (!wm8996->pdata.gpio_default[i])
- continue;
-
- snd_soc_write(codec, WM8996_GPIO_1 + i,
- wm8996->pdata.gpio_default[i] & 0xffff);
- }
-
- if (wm8996->pdata.spkmute_seq)
- snd_soc_update_bits(codec, WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
- WM8996_SPK_MUTE_ENDIAN |
- WM8996_SPK_MUTE_SEQ1_MASK,
- wm8996->pdata.spkmute_seq);
-
- snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
- WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
- WM8996_MICD_SRC, wm8996->pdata.micdet_def);
-
- /* Latch volume update bits */
- snd_soc_update_bits(codec, WM8996_LEFT_LINE_INPUT_VOLUME,
- WM8996_IN1_VU, WM8996_IN1_VU);
- snd_soc_update_bits(codec, WM8996_RIGHT_LINE_INPUT_VOLUME,
- WM8996_IN1_VU, WM8996_IN1_VU);
-
- snd_soc_update_bits(codec, WM8996_DAC1_LEFT_VOLUME,
- WM8996_DAC1_VU, WM8996_DAC1_VU);
- snd_soc_update_bits(codec, WM8996_DAC1_RIGHT_VOLUME,
- WM8996_DAC1_VU, WM8996_DAC1_VU);
- snd_soc_update_bits(codec, WM8996_DAC2_LEFT_VOLUME,
- WM8996_DAC2_VU, WM8996_DAC2_VU);
- snd_soc_update_bits(codec, WM8996_DAC2_RIGHT_VOLUME,
- WM8996_DAC2_VU, WM8996_DAC2_VU);
-
- snd_soc_update_bits(codec, WM8996_OUTPUT1_LEFT_VOLUME,
- WM8996_DAC1_VU, WM8996_DAC1_VU);
- snd_soc_update_bits(codec, WM8996_OUTPUT1_RIGHT_VOLUME,
- WM8996_DAC1_VU, WM8996_DAC1_VU);
- snd_soc_update_bits(codec, WM8996_OUTPUT2_LEFT_VOLUME,
- WM8996_DAC2_VU, WM8996_DAC2_VU);
- snd_soc_update_bits(codec, WM8996_OUTPUT2_RIGHT_VOLUME,
- WM8996_DAC2_VU, WM8996_DAC2_VU);
-
- snd_soc_update_bits(codec, WM8996_DSP1_TX_LEFT_VOLUME,
- WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
- snd_soc_update_bits(codec, WM8996_DSP1_TX_RIGHT_VOLUME,
- WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
- snd_soc_update_bits(codec, WM8996_DSP2_TX_LEFT_VOLUME,
- WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
- snd_soc_update_bits(codec, WM8996_DSP2_TX_RIGHT_VOLUME,
- WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
-
- snd_soc_update_bits(codec, WM8996_DSP1_RX_LEFT_VOLUME,
- WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
- snd_soc_update_bits(codec, WM8996_DSP1_RX_RIGHT_VOLUME,
- WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
- snd_soc_update_bits(codec, WM8996_DSP2_RX_LEFT_VOLUME,
- WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
- snd_soc_update_bits(codec, WM8996_DSP2_RX_RIGHT_VOLUME,
- WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
-
- /* No support currently for the underclocked TDM modes and
- * pick a default TDM layout with each channel pair working with
- * slots 0 and 1. */
- snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
- WM8996_AIF1RX_CHAN0_SLOTS_MASK |
- WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
- snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
- WM8996_AIF1RX_CHAN1_SLOTS_MASK |
- WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
- 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
- snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
- WM8996_AIF1RX_CHAN2_SLOTS_MASK |
- WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
- 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
- snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
- WM8996_AIF1RX_CHAN3_SLOTS_MASK |
- WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
- snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
- WM8996_AIF1RX_CHAN4_SLOTS_MASK |
- WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
- snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
- WM8996_AIF1RX_CHAN5_SLOTS_MASK |
- WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
-
- snd_soc_update_bits(codec, WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
- WM8996_AIF2RX_CHAN0_SLOTS_MASK |
- WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
- snd_soc_update_bits(codec, WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
- WM8996_AIF2RX_CHAN1_SLOTS_MASK |
- WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
- 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
-
- snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
- WM8996_AIF1TX_CHAN0_SLOTS_MASK |
- WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
- snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
- WM8996_AIF1TX_CHAN1_SLOTS_MASK |
- WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
- snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
- WM8996_AIF1TX_CHAN2_SLOTS_MASK |
- WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
- snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
- WM8996_AIF1TX_CHAN3_SLOTS_MASK |
- WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
- snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
- WM8996_AIF1TX_CHAN4_SLOTS_MASK |
- WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
- snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
- WM8996_AIF1TX_CHAN5_SLOTS_MASK |
- WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
-
- snd_soc_update_bits(codec, WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
- WM8996_AIF2TX_CHAN0_SLOTS_MASK |
- WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
- 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
- snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
- WM8996_AIF2TX_CHAN1_SLOTS_MASK |
- WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
- 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
-
if (wm8996->pdata.num_retune_mobile_cfgs)
wm8996_retune_mobile_pdata(codec);
else
snd_soc_add_codec_controls(codec, wm8996_eq_controls,
ARRAY_SIZE(wm8996_eq_controls));
- /* If the TX LRCLK pins are not in LRCLK mode configure the
- * AIFs to source their clocks from the RX LRCLKs.
- */
- if ((snd_soc_read(codec, WM8996_GPIO_1)))
- snd_soc_update_bits(codec, WM8996_AIF1_TX_LRCLK_2,
- WM8996_AIF1TX_LRCLK_MODE,
- WM8996_AIF1TX_LRCLK_MODE);
-
- if ((snd_soc_read(codec, WM8996_GPIO_2)))
- snd_soc_update_bits(codec, WM8996_AIF2_TX_LRCLK_2,
- WM8996_AIF2TX_LRCLK_MODE,
- WM8996_AIF2TX_LRCLK_MODE);
-
if (i2c->irq) {
if (wm8996->pdata.irq_flags)
irq_flags = wm8996->pdata.irq_flags;
@@ -3023,6 +2873,185 @@ static __devinit int wm8996_i2c_probe(struct i2c_client *i2c,
regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
+ /* Apply platform data settings */
+ regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
+ WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
+ wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
+ wm8996->pdata.inr_mode);
+
+ for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
+ if (!wm8996->pdata.gpio_default[i])
+ continue;
+
+ regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
+ wm8996->pdata.gpio_default[i] & 0xffff);
+ }
+
+ if (wm8996->pdata.spkmute_seq)
+ regmap_update_bits(wm8996->regmap,
+ WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
+ WM8996_SPK_MUTE_ENDIAN |
+ WM8996_SPK_MUTE_SEQ1_MASK,
+ wm8996->pdata.spkmute_seq);
+
+ regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
+ WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
+ WM8996_MICD_SRC, wm8996->pdata.micdet_def);
+
+ /* Latch volume update bits */
+ regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
+ WM8996_IN1_VU, WM8996_IN1_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
+ WM8996_IN1_VU, WM8996_IN1_VU);
+
+ regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
+ WM8996_DAC1_VU, WM8996_DAC1_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
+ WM8996_DAC1_VU, WM8996_DAC1_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
+ WM8996_DAC2_VU, WM8996_DAC2_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
+ WM8996_DAC2_VU, WM8996_DAC2_VU);
+
+ regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
+ WM8996_DAC1_VU, WM8996_DAC1_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
+ WM8996_DAC1_VU, WM8996_DAC1_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
+ WM8996_DAC2_VU, WM8996_DAC2_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
+ WM8996_DAC2_VU, WM8996_DAC2_VU);
+
+ regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
+ WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
+ WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
+ WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
+ WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
+
+ regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
+ WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
+ WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
+ WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
+ regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
+ WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
+
+ /* No support currently for the underclocked TDM modes and
+ * pick a default TDM layout with each channel pair working with
+ * slots 0 and 1. */
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
+ WM8996_AIF1RX_CHAN0_SLOTS_MASK |
+ WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
+ WM8996_AIF1RX_CHAN1_SLOTS_MASK |
+ WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
+ 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
+ WM8996_AIF1RX_CHAN2_SLOTS_MASK |
+ WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
+ 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
+ WM8996_AIF1RX_CHAN3_SLOTS_MASK |
+ WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
+ WM8996_AIF1RX_CHAN4_SLOTS_MASK |
+ WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
+ WM8996_AIF1RX_CHAN5_SLOTS_MASK |
+ WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
+
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
+ WM8996_AIF2RX_CHAN0_SLOTS_MASK |
+ WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
+ WM8996_AIF2RX_CHAN1_SLOTS_MASK |
+ WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
+ 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
+
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
+ WM8996_AIF1TX_CHAN0_SLOTS_MASK |
+ WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
+ WM8996_AIF1TX_CHAN1_SLOTS_MASK |
+ WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
+ WM8996_AIF1TX_CHAN2_SLOTS_MASK |
+ WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
+ WM8996_AIF1TX_CHAN3_SLOTS_MASK |
+ WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
+ WM8996_AIF1TX_CHAN4_SLOTS_MASK |
+ WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
+ WM8996_AIF1TX_CHAN5_SLOTS_MASK |
+ WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
+
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
+ WM8996_AIF2TX_CHAN0_SLOTS_MASK |
+ WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
+ 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
+ regmap_update_bits(wm8996->regmap,
+ WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
+ WM8996_AIF2TX_CHAN1_SLOTS_MASK |
+ WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
+ 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
+
+ /* If the TX LRCLK pins are not in LRCLK mode configure the
+ * AIFs to source their clocks from the RX LRCLKs.
+ */
+ ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
+ goto err_regmap;
+ }
+
+ if (reg & WM8996_GP1_FN_MASK)
+ regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
+ WM8996_AIF1TX_LRCLK_MODE,
+ WM8996_AIF1TX_LRCLK_MODE);
+
+ ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
+ goto err_regmap;
+ }
+
+ if (reg & WM8996_GP2_FN_MASK)
+ regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
+ WM8996_AIF2TX_LRCLK_MODE,
+ WM8996_AIF2TX_LRCLK_MODE);
+
wm8996_init_gpio(wm8996);
ret = snd_soc_register_codec(&i2c->dev,