ASoC: AD1836: Fix setting the PCM format

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org

diff --git a/sound/soc/codecs/ad1836.c b/sound/soc/codecs/ad1836.c
index ab63d52..754c496 100644 (file)
--- a/sound/soc/codecs/ad1836.c
+++ b/sound/soc/codecs/ad1836.c
@@ -145,22 +145,22 @@ static int ad1836_hw_params(struct snd_pcm_substream *substream,
        /* bit size */
        switch (params_format(params)) {
        case SNDRV_PCM_FORMAT_S16_LE:
-               word_len = 3;
+               word_len = AD1836_WORD_LEN_16;
                break;
        case SNDRV_PCM_FORMAT_S20_3LE:
-               word_len = 1;
+               word_len = AD1836_WORD_LEN_20;
                break;
        case SNDRV_PCM_FORMAT_S24_LE:
        case SNDRV_PCM_FORMAT_S32_LE:
-               word_len = 0;
+               word_len = AD1836_WORD_LEN_24;
                break;
        }
 
-       snd_soc_update_bits(codec, AD1836_DAC_CTRL1,
-               AD1836_DAC_WORD_LEN_MASK, word_len);
+       snd_soc_update_bits(codec, AD1836_DAC_CTRL1, AD1836_DAC_WORD_LEN_MASK,
+               word_len << AD1836_DAC_WORD_LEN_OFFSET);
 
-       snd_soc_update_bits(codec, AD1836_ADC_CTRL2,
-               AD1836_ADC_WORD_LEN_MASK, word_len);
+       snd_soc_update_bits(codec, AD1836_ADC_CTRL2, AD1836_ADC_WORD_LEN_MASK,
+               word_len << AD1836_ADC_WORD_OFFSET);
 
        return 0;
 }

diff --git a/sound/soc/codecs/ad1836.h b/sound/soc/codecs/ad1836.h
index 8455967..9d6a3f8 100644 (file)
--- a/sound/soc/codecs/ad1836.h
+++ b/sound/soc/codecs/ad1836.h
@@ -25,6 +25,7 @@
 #define AD1836_DAC_SERFMT_PCK256       (0x4 << 5)
 #define AD1836_DAC_SERFMT_PCK128       (0x5 << 5)
 #define AD1836_DAC_WORD_LEN_MASK       0x18
+#define AD1836_DAC_WORD_LEN_OFFSET     3
 
 #define AD1836_DAC_CTRL2               1
 #define AD1836_DACL1_MUTE              0
@@ -51,6 +52,7 @@
 #define AD1836_ADCL2_MUTE              2
 #define AD1836_ADCR2_MUTE              3
 #define AD1836_ADC_WORD_LEN_MASK       0x30
+#define AD1836_ADC_WORD_OFFSET         5
 #define AD1836_ADC_SERFMT_MASK        (7 << 6)
 #define AD1836_ADC_SERFMT_PCK256       (0x4 << 6)
 #define AD1836_ADC_SERFMT_PCK128       (0x5 << 6)
@@ -60,4 +62,8 @@
 
 #define AD1836_NUM_REGS                16
 
+#define AD1836_WORD_LEN_24 0x0
+#define AD1836_WORD_LEN_20 0x1
+#define AD1836_WORD_LEN_16 0x2
+
 #endif