diff options
Diffstat (limited to 'sound/soc/atmel')
| -rw-r--r-- | sound/soc/atmel/atmel_ssc_dai.c | 34 | ||||
| -rw-r--r-- | sound/soc/atmel/atmel_wm8904.c | 50 |
2 files changed, 18 insertions, 66 deletions
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c index de433cfd..f403f39 100644 --- a/sound/soc/atmel/atmel_ssc_dai.c +++ b/sound/soc/atmel/atmel_ssc_dai.c @@ -347,6 +347,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, u32 tfmr, rfmr, tcmr, rcmr; int start_event; int ret; + int fslen, fslen_ext; /* * Currently, there is only one set of dma params for @@ -388,18 +389,6 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, } /* - * The SSC only supports up to 16-bit samples in I2S format, due - * to the size of the Frame Mode Register FSLEN field. - */ - if ((ssc_p->daifmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S - && bits > 16) { - printk(KERN_WARNING - "atmel_ssc_dai: sample size %d " - "is too large for I2S\n", bits); - return -EINVAL; - } - - /* * Compute SSC register settings. */ switch (ssc_p->daifmt @@ -413,6 +402,17 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, * from the MCK divider, and the BCLK signal * is output on the SSC TK line. */ + + if (bits > 16 && !ssc->pdata->has_fslen_ext) { + dev_err(dai->dev, + "sample size %d is too large for SSC device\n", + bits); + return -EINVAL; + } + + fslen_ext = (bits - 1) / 16; + fslen = (bits - 1) % 16; + rcmr = SSC_BF(RCMR_PERIOD, ssc_p->rcmr_period) | SSC_BF(RCMR_STTDLY, START_DELAY) | SSC_BF(RCMR_START, SSC_START_FALLING_RF) @@ -420,9 +420,10 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, | SSC_BF(RCMR_CKO, SSC_CKO_NONE) | SSC_BF(RCMR_CKS, SSC_CKS_DIV); - rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE) + rfmr = SSC_BF(RFMR_FSLEN_EXT, fslen_ext) + | SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE) | SSC_BF(RFMR_FSOS, SSC_FSOS_NEGATIVE) - | SSC_BF(RFMR_FSLEN, (bits - 1)) + | SSC_BF(RFMR_FSLEN, fslen) | SSC_BF(RFMR_DATNB, (channels - 1)) | SSC_BIT(RFMR_MSBF) | SSC_BF(RFMR_LOOP, 0) @@ -435,10 +436,11 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, | SSC_BF(TCMR_CKO, SSC_CKO_CONTINUOUS) | SSC_BF(TCMR_CKS, SSC_CKS_DIV); - tfmr = SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE) + tfmr = SSC_BF(TFMR_FSLEN_EXT, fslen_ext) + | SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE) | SSC_BF(TFMR_FSDEN, 0) | SSC_BF(TFMR_FSOS, SSC_FSOS_NEGATIVE) - | SSC_BF(TFMR_FSLEN, (bits - 1)) + | SSC_BF(TFMR_FSLEN, fslen) | SSC_BF(TFMR_DATNB, (channels - 1)) | SSC_BIT(TFMR_MSBF) | SSC_BF(TFMR_DATDEF, 0) diff --git a/sound/soc/atmel/atmel_wm8904.c b/sound/soc/atmel/atmel_wm8904.c index b4e3690..4052268 100644 --- a/sound/soc/atmel/atmel_wm8904.c +++ b/sound/soc/atmel/atmel_wm8904.c @@ -18,10 +18,6 @@ #include "../codecs/wm8904.h" #include "atmel_ssc_dai.h" -#define MCLK_RATE 32768 - -static struct clk *mclk; - static const struct snd_soc_dapm_widget atmel_asoc_wm8904_dapm_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Mic", NULL), @@ -61,26 +57,6 @@ static struct snd_soc_ops atmel_asoc_wm8904_ops = { .hw_params = atmel_asoc_wm8904_hw_params, }; -static int atmel_set_bias_level(struct snd_soc_card *card, - struct snd_soc_dapm_context *dapm, - enum snd_soc_bias_level level) -{ - if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { - switch (level) { - case SND_SOC_BIAS_PREPARE: - clk_prepare_enable(mclk); - break; - case SND_SOC_BIAS_OFF: - clk_disable_unprepare(mclk); - break; - default: - break; - } - } - - return 0; -}; - static struct snd_soc_dai_link atmel_asoc_wm8904_dailink = { .name = "WM8904", .stream_name = "WM8904 PCM", @@ -94,7 +70,6 @@ static struct snd_soc_dai_link atmel_asoc_wm8904_dailink = { static struct snd_soc_card atmel_asoc_wm8904_card = { .name = "atmel_asoc_wm8904", .owner = THIS_MODULE, - .set_bias_level = atmel_set_bias_level, .dai_link = &atmel_asoc_wm8904_dailink, .num_links = 1, .dapm_widgets = atmel_asoc_wm8904_dapm_widgets, @@ -153,7 +128,6 @@ static int atmel_asoc_wm8904_probe(struct platform_device *pdev) { struct snd_soc_card *card = &atmel_asoc_wm8904_card; struct snd_soc_dai_link *dailink = &atmel_asoc_wm8904_dailink; - struct clk *clk_src; int id, ret; card->dev = &pdev->dev; @@ -170,30 +144,6 @@ static int atmel_asoc_wm8904_probe(struct platform_device *pdev) return ret; } - mclk = clk_get(NULL, "pck0"); - if (IS_ERR(mclk)) { - dev_err(&pdev->dev, "failed to get pck0\n"); - ret = PTR_ERR(mclk); - goto err_set_audio; - } - - clk_src = clk_get(NULL, "clk32k"); - if (IS_ERR(clk_src)) { - dev_err(&pdev->dev, "failed to get clk32k\n"); - ret = PTR_ERR(clk_src); - goto err_set_audio; - } - - ret = clk_set_parent(mclk, clk_src); - clk_put(clk_src); - if (ret != 0) { - dev_err(&pdev->dev, "failed to set MCLK parent\n"); - goto err_set_audio; - } - - dev_info(&pdev->dev, "setting pck0 to %dHz\n", MCLK_RATE); - clk_set_rate(mclk, MCLK_RATE); - ret = snd_soc_register_card(card); if (ret) { dev_err(&pdev->dev, "snd_soc_register_card failed\n"); |
