diff options
Diffstat (limited to 'sound/soc/codecs/sn95031.c')
-rw-r--r-- | sound/soc/codecs/sn95031.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/sound/soc/codecs/sn95031.c b/sound/soc/codecs/sn95031.c index 84ffdebb8a8b..f681e41fc12e 100644 --- a/sound/soc/codecs/sn95031.c +++ b/sound/soc/codecs/sn95031.c | |||
@@ -79,7 +79,7 @@ static void configure_adc(struct snd_soc_codec *sn95031_codec, int val) | |||
79 | */ | 79 | */ |
80 | static int find_free_channel(struct snd_soc_codec *sn95031_codec) | 80 | static int find_free_channel(struct snd_soc_codec *sn95031_codec) |
81 | { | 81 | { |
82 | int ret = 0, i, value; | 82 | int i, value; |
83 | 83 | ||
84 | /* check whether ADC is enabled */ | 84 | /* check whether ADC is enabled */ |
85 | value = snd_soc_read(sn95031_codec, SN95031_ADC1CNTL1); | 85 | value = snd_soc_read(sn95031_codec, SN95031_ADC1CNTL1); |
@@ -91,12 +91,10 @@ static int find_free_channel(struct snd_soc_codec *sn95031_codec) | |||
91 | for (i = 0; i < SN95031_ADC_CHANLS_MAX; i++) { | 91 | for (i = 0; i < SN95031_ADC_CHANLS_MAX; i++) { |
92 | value = snd_soc_read(sn95031_codec, | 92 | value = snd_soc_read(sn95031_codec, |
93 | SN95031_ADC_CHNL_START_ADDR + i); | 93 | SN95031_ADC_CHNL_START_ADDR + i); |
94 | if (value & SN95031_STOPBIT_MASK) { | 94 | if (value & SN95031_STOPBIT_MASK) |
95 | ret = i; | ||
96 | break; | 95 | break; |
97 | } | ||
98 | } | 96 | } |
99 | return (ret > SN95031_ADC_LOOP_MAX) ? (-EINVAL) : ret; | 97 | return (i == SN95031_ADC_CHANLS_MAX) ? (-EINVAL) : i; |
100 | } | 98 | } |
101 | 99 | ||
102 | /* Initialize the ADC for reading micbias values. Can sleep. */ | 100 | /* Initialize the ADC for reading micbias values. Can sleep. */ |
@@ -104,7 +102,7 @@ static int sn95031_initialize_adc(struct snd_soc_codec *sn95031_codec) | |||
104 | { | 102 | { |
105 | int base_addr, chnl_addr; | 103 | int base_addr, chnl_addr; |
106 | int value; | 104 | int value; |
107 | static int channel_index; | 105 | int channel_index; |
108 | 106 | ||
109 | /* Index of the first channel in which the stop bit is set */ | 107 | /* Index of the first channel in which the stop bit is set */ |
110 | channel_index = find_free_channel(sn95031_codec); | 108 | channel_index = find_free_channel(sn95031_codec); |
@@ -163,7 +161,6 @@ static unsigned int sn95031_get_mic_bias(struct snd_soc_codec *codec) | |||
163 | pr_debug("mic bias = %dmV\n", mic_bias); | 161 | pr_debug("mic bias = %dmV\n", mic_bias); |
164 | return mic_bias; | 162 | return mic_bias; |
165 | } | 163 | } |
166 | EXPORT_SYMBOL_GPL(sn95031_get_mic_bias); | ||
167 | /*end - adc helper functions */ | 164 | /*end - adc helper functions */ |
168 | 165 | ||
169 | static inline unsigned int sn95031_read(struct snd_soc_codec *codec, | 166 | static inline unsigned int sn95031_read(struct snd_soc_codec *codec, |
@@ -660,7 +657,7 @@ static int sn95031_pcm_spkr_mute(struct snd_soc_dai *dai, int mute) | |||
660 | return 0; | 657 | return 0; |
661 | } | 658 | } |
662 | 659 | ||
663 | int sn95031_pcm_hw_params(struct snd_pcm_substream *substream, | 660 | static int sn95031_pcm_hw_params(struct snd_pcm_substream *substream, |
664 | struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) | 661 | struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) |
665 | { | 662 | { |
666 | unsigned int format, rate; | 663 | unsigned int format, rate; |
@@ -718,7 +715,7 @@ static struct snd_soc_dai_ops sn95031_vib2_dai_ops = { | |||
718 | .hw_params = sn95031_pcm_hw_params, | 715 | .hw_params = sn95031_pcm_hw_params, |
719 | }; | 716 | }; |
720 | 717 | ||
721 | struct snd_soc_dai_driver sn95031_dais[] = { | 718 | static struct snd_soc_dai_driver sn95031_dais[] = { |
722 | { | 719 | { |
723 | .name = "SN95031 Headset", | 720 | .name = "SN95031 Headset", |
724 | .playback = { | 721 | .playback = { |
@@ -829,7 +826,6 @@ static int sn95031_codec_probe(struct snd_soc_codec *codec) | |||
829 | { | 826 | { |
830 | pr_debug("codec_probe called\n"); | 827 | pr_debug("codec_probe called\n"); |
831 | 828 | ||
832 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; | ||
833 | codec->dapm.idle_bias_off = 1; | 829 | codec->dapm.idle_bias_off = 1; |
834 | 830 | ||
835 | /* PCM interface config | 831 | /* PCM interface config |