ASoC: wm8991: Use snd_soc_update_bits for read-modify-write

Use snd_soc_update_bits for read-modify-write register access instead of
open-coding it using snd_soc_read and snd_soc_write

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 9 insertions, 11 deletions

diff --git a/sound/soc/codecs/wm8991.c b/sound/soc/codecs/wm8991.c
index 708d251019a3..c9ab3ba9bced 100644
--- a/sound/soc/codecs/wm8991.c
+++ b/sound/soc/codecs/wm8991.c
@@ -1264,7 +1264,6 @@ static int wm8991_probe(struct snd_soc_codec *codec)
 {
         struct wm8991_priv *wm8991;
         int ret;
-        unsigned int reg;
 
         wm8991 = snd_soc_codec_get_drvdata(codec);
 
@@ -1282,19 +1281,18 @@ static int wm8991_probe(struct snd_soc_codec *codec)
 
         wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
-        reg = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_4);
-        snd_soc_write(codec, WM8991_AUDIO_INTERFACE_4, reg | WM8991_ALRCGPIO1);
+        snd_soc_update_bits(codec, WM8991_AUDIO_INTERFACE_4,
+                            WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);
 
-        reg = snd_soc_read(codec, WM8991_GPIO1_GPIO2) &
-              ~WM8991_GPIO1_SEL_MASK;
-        snd_soc_write(codec, WM8991_GPIO1_GPIO2, reg | 1);
+        snd_soc_update_bits(codec, WM8991_GPIO1_GPIO2,
+                            WM8991_GPIO1_SEL_MASK, 1);
 
-        reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1);
-        snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, reg | WM8991_VREF_ENA|
-                      WM8991_VMID_MODE_MASK);
+        snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_1,
+                            WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,
+                            WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);
 
-        reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
-        snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg | WM8991_OPCLK_ENA);
+        snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_2,
+                            WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);
 
         snd_soc_write(codec, WM8991_DAC_CTRL, 0);
         snd_soc_write(codec, WM8991_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));