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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 10:47:46 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 10:47:46 -0500
commita421018e8c10e5593a1fee076af72a66c3fe8ca3 (patch)
tree2854511845d0e07d33726a13eda6de1059a5c9df /sound/soc/soc-cache.c
parent3ad1f3b35e8309ec93454dbf89beaafcdb5312da (diff)
parent86e1d57e4f24ca27ce813bdc2afaac4adafcbaf4 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (294 commits) S3C64XX: Staticise platform data for PCM devices ASoC: Rename controls with a / in wm_hubs snd-fm801: autodetect SF64-PCR (tuner-only) card ALSA: tea575x-tuner: fix mute ASoC: au1x: dbdma2: plug memleak in pcm device creation error path ASoC: au1x: dbdma2: fix oops on soc device removal. ALSA: hda - Fix memory leaks in the previous patch ALSA: hda - Add ALC661/259, ALC892/888VD support ALSA: opti9xx: remove snd_opti9xx fields ALSA: aaci - Clean up duplicate code ALSA: usb - Fix mixer map for Hercules Gamesurround Muse Pocket LT ALSA: hda - Add position_fix quirk for HP dv3 ALSA: hda - Add a pin-fix for FSC Amilo Pi1505 ALSA: hda - Fix Cxt5047 test mode ASoC: pxa/raumfeld: adopt new snd_soc_dai_set_pll() API ASoC: sh: fsi: Add runtime PM support sh: ms7724se: Add runtime PM support for FSI ALSA: hda - Add a position_fix quirk for MSI Wind U115 ALSA: opti-miro: add PnP detection ALSA: opti-miro: separate comon probing code ...
Diffstat (limited to 'sound/soc/soc-cache.c')
-rw-r--r--sound/soc/soc-cache.c46
1 files changed, 43 insertions, 3 deletions
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index c8ceddc2a26c..d2505e8b06c9 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -77,6 +77,35 @@ static int snd_soc_7_9_spi_write(void *control_data, const char *data,
77#define snd_soc_7_9_spi_write NULL 77#define snd_soc_7_9_spi_write NULL
78#endif 78#endif
79 79
80static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
81 unsigned int value)
82{
83 u8 *cache = codec->reg_cache;
84 u8 data[2];
85
86 BUG_ON(codec->volatile_register);
87
88 data[0] = reg & 0xff;
89 data[1] = value & 0xff;
90
91 if (reg < codec->reg_cache_size)
92 cache[reg] = value;
93
94 if (codec->hw_write(codec->control_data, data, 2) == 2)
95 return 0;
96 else
97 return -EIO;
98}
99
100static unsigned int snd_soc_8_8_read(struct snd_soc_codec *codec,
101 unsigned int reg)
102{
103 u8 *cache = codec->reg_cache;
104 if (reg >= codec->reg_cache_size)
105 return -1;
106 return cache[reg];
107}
108
80static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg, 109static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
81 unsigned int value) 110 unsigned int value)
82{ 111{
@@ -150,9 +179,20 @@ static struct {
150 unsigned int (*read)(struct snd_soc_codec *, unsigned int); 179 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
151 unsigned int (*i2c_read)(struct snd_soc_codec *, unsigned int); 180 unsigned int (*i2c_read)(struct snd_soc_codec *, unsigned int);
152} io_types[] = { 181} io_types[] = {
153 { 7, 9, snd_soc_7_9_write, snd_soc_7_9_spi_write, snd_soc_7_9_read }, 182 {
154 { 8, 16, snd_soc_8_16_write, NULL, snd_soc_8_16_read, 183 .addr_bits = 7, .data_bits = 9,
155 snd_soc_8_16_read_i2c }, 184 .write = snd_soc_7_9_write, .read = snd_soc_7_9_read,
185 .spi_write = snd_soc_7_9_spi_write
186 },
187 {
188 .addr_bits = 8, .data_bits = 8,
189 .write = snd_soc_8_8_write, .read = snd_soc_8_8_read,
190 },
191 {
192 .addr_bits = 8, .data_bits = 16,
193 .write = snd_soc_8_16_write, .read = snd_soc_8_16_read,
194 .i2c_read = snd_soc_8_16_read_i2c,
195 },
156}; 196};
157 197
158/** 198/**