diff options
Diffstat (limited to 'sound/soc/codecs/ab8500_audio.c')
| -rw-r--r-- | sound/soc/codecs/ab8500_audio.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/sound/soc/codecs/ab8500_audio.c b/sound/soc/codecs/ab8500_audio.c index 49b4bf32417..ec323e1ea8d 100644 --- a/sound/soc/codecs/ab8500_audio.c +++ b/sound/soc/codecs/ab8500_audio.c @@ -278,8 +278,6 @@ static inline int ab8500_codec_update_reg_audio(struct snd_soc_codec *codec, return ab8500_codec_write_reg_audio(codec, reg, new); } -/*--------------------------------------------------------------*/ - /* Whether widget's register definitions should be inverted or not */ enum control_inversion { NORMAL = 0, @@ -1852,6 +1850,36 @@ int ab8500_audio_setup_if1(struct snd_soc_codec *codec, return 0; } +bool ab8500_audio_dapm_path_active(enum ab8500_audio_dapm_path dapm_path) +{ + int reg, reg_mask; + + switch (dapm_path) { + case AB8500_AUDIO_DAPM_PATH_DMIC: + reg = ab8500_codec_read_reg_audio(ab8500_codec, REG_DIGMICCONF); + reg_mask = BMASK(REG_DIGMICCONF_ENDMIC1) | + BMASK(REG_DIGMICCONF_ENDMIC2) | + BMASK(REG_DIGMICCONF_ENDMIC3) | + BMASK(REG_DIGMICCONF_ENDMIC4) | + BMASK(REG_DIGMICCONF_ENDMIC5) | + BMASK(REG_DIGMICCONF_ENDMIC6); + return reg & reg_mask; + + case AB8500_AUDIO_DAPM_PATH_AMIC1: + reg = ab8500_codec_read_reg_audio(ab8500_codec, REG_ANACONF2); + reg_mask = BMASK(REG_ANACONF2_MUTMIC1); + return !(reg & reg_mask); + + case AB8500_AUDIO_DAPM_PATH_AMIC2: + reg = ab8500_codec_read_reg_audio(ab8500_codec, REG_ANACONF2); + reg_mask = BMASK(REG_ANACONF2_MUTMIC2); + return !(reg & reg_mask); + + default: + return false; + } +} + static int ab8500_codec_add_widgets(struct snd_soc_codec *codec) { int ret; |