ASoC: cs35l32: Simplify implementation of cs35l32_codec_set_sysclk

Use single snd_soc_update_bits() call to update the register bits.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Brian Austin <brian.austin@cirrus.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/codecs/cs35l32.c b/sound/soc/codecs/cs35l32.c
index b32d7a9..76f628b 100644 (file)
--- a/sound/soc/codecs/cs35l32.c
+++ b/sound/soc/codecs/cs35l32.c
@@ -242,41 +242,27 @@ static struct snd_soc_dai_driver cs35l32_dai[] = {
 static int cs35l32_codec_set_sysclk(struct snd_soc_codec *codec,
                              int clk_id, int source, unsigned int freq, int dir)
 {
+       unsigned int val;
 
        switch (freq) {
        case 6000000:
-               snd_soc_update_bits(codec, CS35L32_CLK_CTL,
-                                   CS35L32_MCLK_DIV2_MASK, 0);
-               snd_soc_update_bits(codec, CS35L32_CLK_CTL,
-                                   CS35L32_MCLK_RATIO_MASK,
-                                       CS35L32_MCLK_RATIO);
+               val = CS35L32_MCLK_RATIO;
                break;
        case 12000000:
-               snd_soc_update_bits(codec, CS35L32_CLK_CTL,
-                                   CS35L32_MCLK_DIV2_MASK,
-                                       CS35L32_MCLK_DIV2_MASK);
-               snd_soc_update_bits(codec, CS35L32_CLK_CTL,
-                                   CS35L32_MCLK_RATIO_MASK,
-                                       CS35L32_MCLK_RATIO);
+               val = CS35L32_MCLK_DIV2_MASK | CS35L32_MCLK_RATIO;
                break;
        case 6144000:
-               snd_soc_update_bits(codec, CS35L32_CLK_CTL,
-                                   CS35L32_MCLK_DIV2_MASK, 0);
-               snd_soc_update_bits(codec, CS35L32_CLK_CTL,
-                                   CS35L32_MCLK_RATIO_MASK, 0);
+               val = 0;
                break;
        case 12288000:
-               snd_soc_update_bits(codec, CS35L32_CLK_CTL,
-                                   CS35L32_MCLK_DIV2_MASK,
-                                       CS35L32_MCLK_DIV2_MASK);
-               snd_soc_update_bits(codec, CS35L32_CLK_CTL,
-                                   CS35L32_MCLK_RATIO_MASK, 0);
+               val = CS35L32_MCLK_DIV2_MASK;
                break;
        default:
                return -EINVAL;
        }
 
-       return 0;
+       return snd_soc_update_bits(codec, CS35L32_CLK_CTL,
+                       CS35L32_MCLK_DIV2_MASK | CS35L32_MCLK_RATIO_MASK, val);
 }
 
 static struct snd_soc_codec_driver soc_codec_dev_cs35l32 = {