aboutsummaryrefslogtreecommitdiffstats
path: root/sound
diff options
context:
space:
mode:
authorMark Brown <broonie@linaro.org>2013-11-08 05:43:35 -0500
committerMark Brown <broonie@linaro.org>2013-11-08 05:43:35 -0500
commit6a2972b363e8ca23edcd2c7a14e92fc04462e590 (patch)
tree7d8b0695e8dca61b76ce3913b31843eb3d56b0e7 /sound
parent87373ad1f322cd4b0eabc90ecbe38ed6a3ed3d40 (diff)
parentcfcff69af8447df8dd3c5b14349c3b84b8b569a5 (diff)
Merge remote-tracking branch 'asoc/topic/si476x' into asoc-next
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/si476x.c64
1 files changed, 16 insertions, 48 deletions
diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c
index 38f3b105c17d..52e7cb08434b 100644
--- a/sound/soc/codecs/si476x.c
+++ b/sound/soc/codecs/si476x.c
@@ -60,48 +60,6 @@ enum si476x_pcm_format {
60 SI476X_PCM_FORMAT_S24_LE = 6, 60 SI476X_PCM_FORMAT_S24_LE = 6,
61}; 61};
62 62
63static unsigned int si476x_codec_read(struct snd_soc_codec *codec,
64 unsigned int reg)
65{
66 int err;
67 unsigned int val;
68 struct si476x_core *core = codec->control_data;
69
70 si476x_core_lock(core);
71 if (!si476x_core_is_powered_up(core))
72 regcache_cache_only(core->regmap, true);
73
74 err = regmap_read(core->regmap, reg, &val);
75
76 if (!si476x_core_is_powered_up(core))
77 regcache_cache_only(core->regmap, false);
78 si476x_core_unlock(core);
79
80 if (err < 0)
81 return err;
82
83 return val;
84}
85
86static int si476x_codec_write(struct snd_soc_codec *codec,
87 unsigned int reg, unsigned int val)
88{
89 int err;
90 struct si476x_core *core = codec->control_data;
91
92 si476x_core_lock(core);
93 if (!si476x_core_is_powered_up(core))
94 regcache_cache_only(core->regmap, true);
95
96 err = regmap_write(core->regmap, reg, val);
97
98 if (!si476x_core_is_powered_up(core))
99 regcache_cache_only(core->regmap, false);
100 si476x_core_unlock(core);
101
102 return err;
103}
104
105static const struct snd_soc_dapm_widget si476x_dapm_widgets[] = { 63static const struct snd_soc_dapm_widget si476x_dapm_widgets[] = {
106SND_SOC_DAPM_OUTPUT("LOUT"), 64SND_SOC_DAPM_OUTPUT("LOUT"),
107SND_SOC_DAPM_OUTPUT("ROUT"), 65SND_SOC_DAPM_OUTPUT("ROUT"),
@@ -115,6 +73,7 @@ static const struct snd_soc_dapm_route si476x_dapm_routes[] = {
115static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai, 73static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
116 unsigned int fmt) 74 unsigned int fmt)
117{ 75{
76 struct si476x_core *core = i2c_mfd_cell_to_core(codec_dai->dev);
118 int err; 77 int err;
119 u16 format = 0; 78 u16 format = 0;
120 79
@@ -178,9 +137,14 @@ static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
178 return -EINVAL; 137 return -EINVAL;
179 } 138 }
180 139
140 si476x_core_lock(core);
141
181 err = snd_soc_update_bits(codec_dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT, 142 err = snd_soc_update_bits(codec_dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
182 SI476X_DIGITAL_IO_OUTPUT_FORMAT_MASK, 143 SI476X_DIGITAL_IO_OUTPUT_FORMAT_MASK,
183 format); 144 format);
145
146 si476x_core_unlock(core);
147
184 if (err < 0) { 148 if (err < 0) {
185 dev_err(codec_dai->codec->dev, "Failed to set output format\n"); 149 dev_err(codec_dai->codec->dev, "Failed to set output format\n");
186 return err; 150 return err;
@@ -193,6 +157,7 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
193 struct snd_pcm_hw_params *params, 157 struct snd_pcm_hw_params *params,
194 struct snd_soc_dai *dai) 158 struct snd_soc_dai *dai)
195{ 159{
160 struct si476x_core *core = i2c_mfd_cell_to_core(dai->dev);
196 int rate, width, err; 161 int rate, width, err;
197 162
198 rate = params_rate(params); 163 rate = params_rate(params);
@@ -218,11 +183,13 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
218 return -EINVAL; 183 return -EINVAL;
219 } 184 }
220 185
186 si476x_core_lock(core);
187
221 err = snd_soc_write(dai->codec, SI476X_DIGITAL_IO_OUTPUT_SAMPLE_RATE, 188 err = snd_soc_write(dai->codec, SI476X_DIGITAL_IO_OUTPUT_SAMPLE_RATE,
222 rate); 189 rate);
223 if (err < 0) { 190 if (err < 0) {
224 dev_err(dai->codec->dev, "Failed to set sample rate\n"); 191 dev_err(dai->codec->dev, "Failed to set sample rate\n");
225 return err; 192 goto out;
226 } 193 }
227 194
228 err = snd_soc_update_bits(dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT, 195 err = snd_soc_update_bits(dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
@@ -231,15 +198,18 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
231 (width << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT)); 198 (width << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT));
232 if (err < 0) { 199 if (err < 0) {
233 dev_err(dai->codec->dev, "Failed to set output width\n"); 200 dev_err(dai->codec->dev, "Failed to set output width\n");
234 return err; 201 goto out;
235 } 202 }
236 203
237 return 0; 204out:
205 si476x_core_unlock(core);
206
207 return err;
238} 208}
239 209
240static int si476x_codec_probe(struct snd_soc_codec *codec) 210static int si476x_codec_probe(struct snd_soc_codec *codec)
241{ 211{
242 codec->control_data = i2c_mfd_cell_to_core(codec->dev); 212 codec->control_data = dev_get_regmap(codec->dev->parent, NULL);
243 return 0; 213 return 0;
244} 214}
245 215
@@ -268,8 +238,6 @@ static struct snd_soc_dai_driver si476x_dai = {
268 238
269static struct snd_soc_codec_driver soc_codec_dev_si476x = { 239static struct snd_soc_codec_driver soc_codec_dev_si476x = {
270 .probe = si476x_codec_probe, 240 .probe = si476x_codec_probe,
271 .read = si476x_codec_read,
272 .write = si476x_codec_write,
273 .dapm_widgets = si476x_dapm_widgets, 241 .dapm_widgets = si476x_dapm_widgets,
274 .num_dapm_widgets = ARRAY_SIZE(si476x_dapm_widgets), 242 .num_dapm_widgets = ARRAY_SIZE(si476x_dapm_widgets),
275 .dapm_routes = si476x_dapm_routes, 243 .dapm_routes = si476x_dapm_routes,