diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-01 13:02:17 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-01 22:14:30 +0900 |
| commit | 79ef0abcd85842bc12ffb3297b958565f060464c (patch) | |
| tree | 50732d29f63130d9e726f0f35bab82cc27b3d2c7 /sound/soc/codecs/wm8994.c | |
| parent | 25032c119e5f43725b624ab30e2ccb8c23b9ebd3 (diff) | |
| download | linux-next-79ef0abcd85842bc12ffb3297b958565f060464c.tar.gz | |
ASoC: Implement new DC servo readback mode for late WM8994 revisions
Later WM8994 devices implement a new DC servo readback mode with the
register used to access the offset moved to register 0x59. Implement
support for this and enable it on the appropriate devices.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Diffstat (limited to 'sound/soc/codecs/wm8994.c')
| -rw-r--r-- | sound/soc/codecs/wm8994.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 09e680ae88b2..c0956899d5b5 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -107,6 +107,7 @@ static int wm8994_volatile(struct snd_soc_codec *codec, unsigned int reg) case WM8994_LDO_2: case WM8958_DSP2_EXECCONTROL: case WM8958_MIC_DETECT_3: + case WM8994_DC_SERVO_4E: return 1; default: return 0; @@ -2978,7 +2979,7 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec) wm8994->hubs.series_startup = 1; break; default: - wm8994->hubs.dcs_readback_mode = 1; + wm8994->hubs.dcs_readback_mode = 2; break; } |