diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-01-31 17:16:47 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-01-31 20:29:58 +0100 |
| commit | f959dee9c7b5e36a139e1e8fcfedbddfea65d00d (patch) | |
| tree | 4392179b08a3d963d079af1ea78089f7d556f0dd /sound/soc/codecs | |
| parent | ASoC: core: Support suspend to disk (diff) | |
| download | linux-f959dee9c7b5e36a139e1e8fcfedbddfea65d00d.tar.xz linux-f959dee9c7b5e36a139e1e8fcfedbddfea65d00d.zip | |
ASoC: wm_hubs: Push check for idle_bias_off out into drivers
For later wm_hubs devices we have much less need to keep the biases up
even when using single ended line outputs so flag idle_bias_off for
everything except the WM8993 and WM8994.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs')
| -rw-r--r-- | sound/soc/codecs/wm8993.c | 6 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8994.c | 8 | ||||
| -rw-r--r-- | sound/soc/codecs/wm_hubs.c | 6 |
3 files changed, 14 insertions, 6 deletions
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c index 474dc72b4d8d..db51007a6a43 100644 --- a/sound/soc/codecs/wm8993.c +++ b/sound/soc/codecs/wm8993.c @@ -1622,6 +1622,12 @@ static int wm8993_probe(struct snd_soc_codec *codec) wm_hubs_add_analogue_routes(codec, wm8993->pdata.lineout1_diff, wm8993->pdata.lineout2_diff); + /* If the line outputs are differential then we aren't presenting + * VMID as an output and can disable it. + */ + if (wm8993->pdata.lineout1_diff && wm8993->pdata.lineout2_diff) + codec->dapm.idle_bias_off = 1; + return 0; } diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 11ca19b72d7d..c26291844e5d 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -3396,10 +3396,18 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec) pm_runtime_enable(codec->dev); pm_runtime_resume(codec->dev); + /* By default use idle_bias_off, will override for WM8994 */ + codec->dapm.idle_bias_off = 1; + /* Set revision-specific configuration */ wm8994->revision = snd_soc_read(codec, WM8994_CHIP_REVISION); switch (control->type) { case WM8994: + /* Single ended line outputs should have VMID on. */ + if (!wm8994->pdata->lineout1_diff || + !wm8994->pdata->lineout2_diff) + codec->dapm.idle_bias_off = 0; + switch (wm8994->revision) { case 2: case 3: diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index 2a61094075f8..ec7d49033d4c 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -952,12 +952,6 @@ int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec, WM8993_LINEOUT2_MODE, WM8993_LINEOUT2_MODE); - /* If the line outputs are differential then we aren't presenting - * VMID as an output and can disable it. - */ - if (lineout1_diff && lineout2_diff) - codec->dapm.idle_bias_off = 1; - if (lineout1fb) snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL, WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB); |