diff options
| -rw-r--r-- | sound/soc/codecs/twl6040.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 35059a242fa4..f2f4bcb2ff71 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c | |||
| @@ -54,12 +54,7 @@ enum twl6040_dai_id { | |||
| 54 | #define TWL6040_OUTHF_0dB 0x03 | 54 | #define TWL6040_OUTHF_0dB 0x03 |
| 55 | #define TWL6040_OUTHF_M52dB 0x1D | 55 | #define TWL6040_OUTHF_M52dB 0x1D |
| 56 | 56 | ||
| 57 | /* Shadow register used by the driver */ | 57 | #define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1) |
| 58 | #define TWL6040_REG_SW_SHADOW 0x2F | ||
| 59 | #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1) | ||
| 60 | |||
| 61 | /* TWL6040_REG_SW_SHADOW (0x2F) fields */ | ||
| 62 | #define TWL6040_EAR_PATH_ENABLE 0x01 | ||
| 63 | 58 | ||
| 64 | struct twl6040_jack_data { | 59 | struct twl6040_jack_data { |
| 65 | struct snd_soc_jack *jack; | 60 | struct snd_soc_jack *jack; |
| @@ -135,8 +130,6 @@ static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = { | |||
| 135 | 0x00, /* REG_HFOTRIM 0x2C */ | 130 | 0x00, /* REG_HFOTRIM 0x2C */ |
| 136 | 0x09, /* REG_ACCCTL 0x2D */ | 131 | 0x09, /* REG_ACCCTL 0x2D */ |
| 137 | 0x00, /* REG_STATUS 0x2E (ro) */ | 132 | 0x00, /* REG_STATUS 0x2E (ro) */ |
| 138 | |||
| 139 | 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */ | ||
| 140 | }; | 133 | }; |
| 141 | 134 | ||
| 142 | /* List of registers to be restored after power up */ | 135 | /* List of registers to be restored after power up */ |
| @@ -220,12 +213,8 @@ static int twl6040_read_reg_volatile(struct snd_soc_codec *codec, | |||
| 220 | if (reg >= TWL6040_CACHEREGNUM) | 213 | if (reg >= TWL6040_CACHEREGNUM) |
| 221 | return -EIO; | 214 | return -EIO; |
| 222 | 215 | ||
| 223 | if (likely(reg < TWL6040_REG_SW_SHADOW)) { | 216 | value = twl6040_reg_read(twl6040, reg); |
| 224 | value = twl6040_reg_read(twl6040, reg); | 217 | twl6040_write_reg_cache(codec, reg, value); |
| 225 | twl6040_write_reg_cache(codec, reg, value); | ||
| 226 | } else { | ||
| 227 | value = twl6040_read_reg_cache(codec, reg); | ||
| 228 | } | ||
| 229 | 218 | ||
| 230 | return value; | 219 | return value; |
| 231 | } | 220 | } |
| @@ -261,8 +250,7 @@ static int twl6040_write(struct snd_soc_codec *codec, | |||
| 261 | return -EIO; | 250 | return -EIO; |
| 262 | 251 | ||
| 263 | twl6040_write_reg_cache(codec, reg, value); | 252 | twl6040_write_reg_cache(codec, reg, value); |
| 264 | if (likely(reg < TWL6040_REG_SW_SHADOW) && | 253 | if (twl6040_is_path_unmuted(codec, reg)) |
| 265 | twl6040_is_path_unmuted(codec, reg)) | ||
| 266 | return twl6040_reg_write(twl6040, reg, value); | 254 | return twl6040_reg_write(twl6040, reg, value); |
| 267 | else | 255 | else |
| 268 | return 0; | 256 | return 0; |
| @@ -555,7 +543,7 @@ static const struct snd_kcontrol_new hfr_mux_controls = | |||
| 555 | SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]); | 543 | SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]); |
| 556 | 544 | ||
| 557 | static const struct snd_kcontrol_new ep_path_enable_control = | 545 | static const struct snd_kcontrol_new ep_path_enable_control = |
| 558 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0); | 546 | SOC_DAPM_SINGLE_VIRT("Switch", 1); |
| 559 | 547 | ||
| 560 | static const struct snd_kcontrol_new auxl_switch_control = | 548 | static const struct snd_kcontrol_new auxl_switch_control = |
| 561 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0); | 549 | SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0); |
