diff options
| -rw-r--r-- | include/sound/uda134x.h | 12 | ||||
| -rw-r--r-- | sound/soc/codecs/uda134x.c | 25 | ||||
| -rw-r--r-- | sound/soc/imx/Kconfig | 14 |
3 files changed, 27 insertions, 24 deletions
diff --git a/include/sound/uda134x.h b/include/sound/uda134x.h index 509efb050176..e475659bd3be 100644 --- a/include/sound/uda134x.h +++ b/include/sound/uda134x.h @@ -18,6 +18,18 @@ struct uda134x_platform_data { struct l3_pins l3; void (*power) (int); int model; + /* + ALSA SOC usually puts the device in standby mode when it's not used + for sometime. If you unset is_powered_on_standby the driver will + turn off the ADC/DAC when this callback is invoked and turn it back + on when needed. Unfortunately this will result in a very light bump + (it can be audible only with good earphones). If this bothers you + set is_powered_on_standby, you will have slightly higher power + consumption. Please note that sending the L3 command for ADC is + enough to make the bump, so it doesn't make difference if you + completely take off power from the codec. + */ + int is_powered_on_standby; #define UDA134X_UDA1340 1 #define UDA134X_UDA1341 2 #define UDA134X_UDA1344 3 diff --git a/sound/soc/codecs/uda134x.c b/sound/soc/codecs/uda134x.c index 28aac53c97bb..52eada1f17fc 100644 --- a/sound/soc/codecs/uda134x.c +++ b/sound/soc/codecs/uda134x.c @@ -28,19 +28,6 @@ #include "uda134x.h" -#define POWER_OFF_ON_STANDBY 1 -/* - ALSA SOC usually puts the device in standby mode when it's not used - for sometime. If you define POWER_OFF_ON_STANDBY the driver will - turn off the ADC/DAC when this callback is invoked and turn it back - on when needed. Unfortunately this will result in a very light bump - (it can be audible only with good earphones). If this bothers you - just comment this line, you will have slightly higher power - consumption . Please note that sending the L3 command for ADC is - enough to make the bump, so it doesn't make difference if you - completely take off power from the codec. - */ - #define UDA134X_RATES SNDRV_PCM_RATE_8000_48000 #define UDA134X_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S20_3LE) @@ -531,9 +518,7 @@ static int uda134x_soc_probe(struct platform_device *pdev) codec->num_dai = 1; codec->read = uda134x_read_reg_cache; codec->write = uda134x_write; -#ifdef POWER_OFF_ON_STANDBY - codec->set_bias_level = uda134x_set_bias_level; -#endif + INIT_LIST_HEAD(&codec->dapm_widgets); INIT_LIST_HEAD(&codec->dapm_paths); @@ -544,6 +529,14 @@ static int uda134x_soc_probe(struct platform_device *pdev) uda134x_reset(codec); + if (pd->is_powered_on_standby) { + codec->set_bias_level = NULL; + uda134x_set_bias_level(codec, SND_SOC_BIAS_ON); + } else { + codec->set_bias_level = uda134x_set_bias_level; + uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + } + /* register pcms */ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); if (ret < 0) { diff --git a/sound/soc/imx/Kconfig b/sound/soc/imx/Kconfig index 6ef57e056d6a..2f0d6d3e75dc 100644 --- a/sound/soc/imx/Kconfig +++ b/sound/soc/imx/Kconfig @@ -1,4 +1,4 @@ -config SND_IMX_SOC +menuconfig SND_IMX_SOC tristate "SoC Audio for Freescale i.MX CPUs" depends on ARCH_MXC select SND_PCM @@ -8,14 +8,12 @@ config SND_IMX_SOC Say Y or M if you want to add support for codecs attached to the i.MX SSI interface. -config SND_MXC_SOC_SSI - tristate +if SND_IMX_SOC config SND_MXC_SOC_WM1133_EV1 tristate "Audio on the the i.MX31ADS with WM1133-EV1 fitted" - depends on SND_IMX_SOC && MACH_MX31ADS_WM1133_EV1 && EXPERIMENTAL + depends on MACH_MX31ADS_WM1133_EV1 && EXPERIMENTAL select SND_SOC_WM8350 - select SND_MXC_SOC_SSI help Enable support for audio on the i.MX31ADS with the WM1133-EV1 PMIC board with WM8835x fitted. @@ -23,17 +21,17 @@ config SND_MXC_SOC_WM1133_EV1 config SND_SOC_PHYCORE_AC97 tristate "SoC Audio support for Phytec phyCORE (and phyCARD) boards" depends on MACH_PCM043 || MACH_PCA100 - select SND_MXC_SOC_SSI select SND_SOC_WM9712 help Say Y if you want to add support for SoC audio on Phytec phyCORE and phyCARD boards in AC97 mode config SND_SOC_EUKREA_TLV320 - bool "Eukrea TLV320" + tristate "Eukrea TLV320" depends on MACH_EUKREA_MBIMX27_BASEBOARD || MACH_EUKREA_MBIMXSD_BASEBOARD - select SND_IMX_SOC select SND_SOC_TLV320AIC23 help Enable I2S based access to the TLV320AIC23B codec attached to the SSI4 interface + +endif # SND_IMX_SOC |