diff options
| -rw-r--r-- | include/sound/soc.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 8ab1cfed106..88ff2d899a4 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -30,8 +30,9 @@ */ #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert) \ ((unsigned long)&(struct soc_mixer_control) \ - {.reg = xreg, .shift = shift_left, .rshift = shift_right, \ - .max = xmax, .platform_max = xmax, .invert = xinvert}) + {.reg = xreg, .rreg = xreg, .shift = shift_left, \ + .rshift = shift_right, .max = xmax, .platform_max = xmax, \ + .invert = xinvert}) #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \ SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert) #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ @@ -947,6 +948,18 @@ static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) INIT_LIST_HEAD(&card->dapm_list); } +static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) +{ + if (mc->reg == mc->rreg && mc->shift == mc->rshift) + return 0; + /* + * mc->reg == mc->rreg && mc->shift != mc->rshift, or + * mc->reg != mc->rreg means that the control is + * stereo (bits in one register or in two registers) + */ + return 1; +} + int snd_soc_util_init(void); void snd_soc_util_exit(void); |