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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 14:25:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 14:25:01 -0700
commit68d99b2c8efcb6ed3807a55569300c53b5f88be5 (patch)
treef189c8f2132d3668a2f0e503f5c3f8695b26a1c8 /sound/soc/codecs/wm8776.c
parent0e59e7e7feb5a12938fbf9135147eeda3238c6c4 (diff)
parent8128c9f21509f9a8b6da94ac432d845dda458406 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (549 commits) ALSA: hda - Fix ADC input-amp handling for Cx20549 codec ALSA: hda - Keep EAPD turned on for old Conexant chips ALSA: hda/realtek - Fix missing volume controls with ALC260 ASoC: wm8940: Properly set codec->dapm.bias_level ALSA: hda - Fix pin-config for ASUS W90V ALSA: hda - Fix surround/CLFE headphone and speaker pins order ALSA: hda - Fix typo ALSA: Update the sound git tree URL ALSA: HDA: Add new revision for ALC662 ASoC: max98095: Convert codec->hw_write to snd_soc_write ASoC: keep pointer to resource so it can be freed ASoC: sgtl5000: Fix wrong mask in some snd_soc_update_bits calls ASoC: wm8996: Fix wrong mask for setting WM8996_AIF_CLOCKING_2 ASoC: da7210: Add support for line out and DAC ASoC: da7210: Add support for DAPM ALSA: hda/realtek - Fix DAC assignments of multiple speakers ASoC: Use SGTL5000_LINREG_VDDD_MASK instead of hardcoded mask value ASoC: Set sgtl5000->ldo in ldo_regulator_register ASoC: wm8996: Use SND_SOC_DAPM_AIF_OUT for AIF2 Capture ASoC: wm8994: Use SND_SOC_DAPM_AIF_OUT for AIF3 Capture ...
Diffstat (limited to 'sound/soc/codecs/wm8776.c')
-rw-r--r--sound/soc/codecs/wm8776.c67
1 files changed, 32 insertions, 35 deletions
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index 8e7953b1b79..bfdc52370ad 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
@@ -215,8 +216,6 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream,
int ratio_shift, master;
int i;
- iface = 0;
-
switch (dai->driver->id) {
case WM8776_DAI_DAC:
iface_reg = WM8776_DACIFCTRL;
@@ -232,20 +231,23 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
-
/* Set word length */
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S16_LE:
- break;
- case SNDRV_PCM_FORMAT_S20_3LE:
- iface |= 0x10;
+ switch (snd_pcm_format_width(params_format(params))) {
+ case 16:
+ iface = 0;
+ case 20:
+ iface = 0x10;
break;
- case SNDRV_PCM_FORMAT_S24_LE:
- iface |= 0x20;
+ case 24:
+ iface = 0x20;
break;
- case SNDRV_PCM_FORMAT_S32_LE:
- iface |= 0x30;
+ case 32:
+ iface = 0x30;
break;
+ default:
+ dev_err(codec->dev, "Unsupported sample size: %i\n",
+ snd_pcm_format_width(params_format(params)));
+ return -EINVAL;
}
/* Only need to set MCLK/LRCLK ratio if we're master */
@@ -306,6 +308,8 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ snd_soc_cache_sync(codec);
+
/* Disable the global powerdown; DAPM does the rest */
snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 0);
}
@@ -320,11 +324,6 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
return 0;
}
-#define WM8776_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
- SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
- SNDRV_PCM_RATE_96000)
-
-
#define WM8776_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
@@ -349,7 +348,9 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
.stream_name = "Playback",
.channels_min = 2,
.channels_max = 2,
- .rates = WM8776_RATES,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 32000,
+ .rate_max = 192000,
.formats = WM8776_FORMATS,
},
.ops = &wm8776_dac_ops,
@@ -361,7 +362,9 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
.stream_name = "Capture",
.channels_min = 2,
.channels_max = 2,
- .rates = WM8776_RATES,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 32000,
+ .rate_max = 96000,
.formats = WM8776_FORMATS,
},
.ops = &wm8776_adc_ops,
@@ -378,21 +381,7 @@ static int wm8776_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8776_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8776_reg); i++) {
- if (cache[i] == wm8776_reg[i])
- continue;
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
-
wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
return 0;
}
#else
@@ -452,6 +441,12 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8776 = {
.reg_cache_default = wm8776_reg,
};
+static const struct of_device_id wm8776_of_match[] = {
+ { .compatible = "wlf,wm8776", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, wm8776_of_match);
+
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8776_spi_probe(struct spi_device *spi)
{
@@ -481,8 +476,9 @@ static int __devexit wm8776_spi_remove(struct spi_device *spi)
static struct spi_driver wm8776_spi_driver = {
.driver = {
- .name = "wm8776-codec",
+ .name = "wm8776",
.owner = THIS_MODULE,
+ .of_match_table = wm8776_of_match,
},
.probe = wm8776_spi_probe,
.remove = __devexit_p(wm8776_spi_remove),
@@ -525,8 +521,9 @@ MODULE_DEVICE_TABLE(i2c, wm8776_i2c_id);
static struct i2c_driver wm8776_i2c_driver = {
.driver = {
- .name = "wm8776-codec",
+ .name = "wm8776",
.owner = THIS_MODULE,
+ .of_match_table = wm8776_of_match,
},
.probe = wm8776_i2c_probe,
.remove = __devexit_p(wm8776_i2c_remove),