diff options
author | Takashi Iwai <tiwai@suse.de> | 2010-11-03 13:56:08 +0100 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2010-11-03 13:56:08 +0100 |
commit | cf78c0c4267c37f2f98cb03a73c0a99c2cdaef87 (patch) | |
tree | a1e2d50637176bea7ca02d1bcef7417b9253a475 | |
parent | 29c798fecb9b846b363b0a02fa662ff42fc19426 (diff) | |
parent | 63f7526f26f0a9291ac3f7a986aa18ebfb61ec19 (diff) |
Merge branch 'for-2.6.37' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/asoc-2.6 into fix/asoc
-rw-r--r-- | sound/soc/codecs/tlv320dac33.c | 36 | ||||
-rw-r--r-- | sound/soc/codecs/tpa6130a2.c | 4 |
2 files changed, 28 insertions, 12 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index d251ff54a2d3..c5ab8c805771 100644 --- a/sound/soc/codecs/tlv320dac33.c +++ b/sound/soc/codecs/tlv320dac33.c @@ -58,7 +58,7 @@ (1000000000 / ((rate * 1000) / samples)) #define US_TO_SAMPLES(rate, us) \ - (rate / (1000000 / us)) + (rate / (1000000 / (us < 1000000 ? us : 1000000))) #define UTHR_FROM_PERIOD_SIZE(samples, playrate, burstrate) \ ((samples * 5000) / ((burstrate * 5000) / (burstrate - playrate))) @@ -200,7 +200,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg, u8 *value) { struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); - int val; + int val, ret = 0; *value = reg & 0xff; @@ -210,6 +210,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg, if (val < 0) { dev_err(codec->dev, "Read failed (%d)\n", val); value[0] = dac33_read_reg_cache(codec, reg); + ret = val; } else { value[0] = val; dac33_write_reg_cache(codec, reg, val); @@ -218,7 +219,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg, value[0] = dac33_read_reg_cache(codec, reg); } - return 0; + return ret; } static int dac33_write(struct snd_soc_codec *codec, unsigned int reg, @@ -329,13 +330,18 @@ static void dac33_init_chip(struct snd_soc_codec *codec) dac33_read_reg_cache(codec, DAC33_LINER_TO_RLO_VOL)); } -static inline void dac33_read_id(struct snd_soc_codec *codec) +static inline int dac33_read_id(struct snd_soc_codec *codec) { + int i, ret = 0; u8 reg; - dac33_read(codec, DAC33_DEVICE_ID_MSB, ®); - dac33_read(codec, DAC33_DEVICE_ID_LSB, ®); - dac33_read(codec, DAC33_DEVICE_REV_ID, ®); + for (i = 0; i < 3; i++) { + ret = dac33_read(codec, DAC33_DEVICE_ID_MSB + i, ®); + if (ret < 0) + break; + } + + return ret; } static inline void dac33_soft_power(struct snd_soc_codec *codec, int power) @@ -1076,6 +1082,9 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream) /* Number of samples under i2c latency */ dac33->alarm_threshold = US_TO_SAMPLES(rate, dac33->mode1_latency); + nsample_limit = DAC33_BUFFER_SIZE_SAMPLES - + dac33->alarm_threshold; + if (dac33->auto_fifo_config) { if (period_size <= dac33->alarm_threshold) /* @@ -1086,6 +1095,8 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream) ((dac33->alarm_threshold / period_size) + (dac33->alarm_threshold % period_size ? 1 : 0)); + else if (period_size > nsample_limit) + dac33->nsample = nsample_limit; else dac33->nsample = period_size; } else { @@ -1097,8 +1108,7 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream) */ dac33->nsample_max = substream->runtime->buffer_size - period_size; - nsample_limit = DAC33_BUFFER_SIZE_SAMPLES - - dac33->alarm_threshold; + if (dac33->nsample_max > nsample_limit) dac33->nsample_max = nsample_limit; @@ -1414,9 +1424,15 @@ static int dac33_soc_probe(struct snd_soc_codec *codec) dev_err(codec->dev, "Failed to power up codec: %d\n", ret); goto err_power; } - dac33_read_id(codec); + ret = dac33_read_id(codec); dac33_hard_power(codec, 0); + if (ret < 0) { + dev_err(codec->dev, "Failed to read chip ID: %d\n", ret); + ret = -ENODEV; + goto err_power; + } + /* Check if the IRQ number is valid and request it */ if (dac33->irq >= 0) { ret = request_irq(dac33->irq, dac33_interrupt_handler, diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c index 329acc1a2074..83b5631b13a8 100644 --- a/sound/soc/codecs/tpa6130a2.c +++ b/sound/soc/codecs/tpa6130a2.c @@ -125,7 +125,7 @@ static int tpa6130a2_power(int power) data = i2c_get_clientdata(tpa6130a2_client); mutex_lock(&data->mutex); - if (power) { + if (power && !data->power_state) { /* Power on */ if (data->power_gpio >= 0) gpio_set_value(data->power_gpio, 1); @@ -153,7 +153,7 @@ static int tpa6130a2_power(int power) val = tpa6130a2_read(TPA6130A2_REG_CONTROL); val &= ~TPA6130A2_SWS; tpa6130a2_i2c_write(TPA6130A2_REG_CONTROL, val); - } else { + } else if (!power && data->power_state) { /* set SWS */ val = tpa6130a2_read(TPA6130A2_REG_CONTROL); val |= TPA6130A2_SWS; |