diff options
| author | Dani Krishna Mohan <krishna.md@samsung.com> | 2013-09-11 16:38:48 +0530 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-09-24 09:10:33 -0400 |
| commit | 3dd22a37aae57243b6e8dfedcc03c0fc02d469e6 (patch) | |
| tree | 70bdac70d8a5369ef54bd0f7152ababa9cbe1b5a /drivers/sound/samsung-i2s.c | |
| parent | b7006a7f5edf7385956658b5196df266a5dc2cc6 (diff) | |
ARM: Added I2S0 clocks for audio
This patch makes the necessary changes for making use of
I2S0 channel instead of I2S1 channel on smdk board. This
changes are done to maintain the uniformity to use I2S0 channel.
Signed-off-by: Dani Krishna Mohan <krishna.md@samsung.com>
Diffstat (limited to 'drivers/sound/samsung-i2s.c')
| -rw-r--r-- | drivers/sound/samsung-i2s.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/sound/samsung-i2s.c b/drivers/sound/samsung-i2s.c index 49921e5526..30d1470102 100644 --- a/drivers/sound/samsung-i2s.c +++ b/drivers/sound/samsung-i2s.c @@ -67,7 +67,6 @@ static void i2s_txctrl(struct i2s_reg *i2s_reg, int on) con &= ~CON_TXCH_PAUSE; } else { - con |= CON_TXCH_PAUSE; con &= ~CON_ACTIVE; } @@ -172,7 +171,7 @@ int i2s_set_fmt(struct i2s_reg *i2s_reg, unsigned int fmt) break; default: debug("%s: Invalid format priority [0x%x]\n", __func__, - (fmt & SND_SOC_DAIFMT_FORMAT_MASK)); + (fmt & SND_SOC_DAIFMT_FORMAT_MASK)); return -1; } @@ -191,7 +190,7 @@ int i2s_set_fmt(struct i2s_reg *i2s_reg, unsigned int fmt) break; default: debug("%s: Invalid clock ploarity input [0x%x]\n", __func__, - (fmt & SND_SOC_DAIFMT_INV_MASK)); + (fmt & SND_SOC_DAIFMT_INV_MASK)); return -1; } @@ -209,7 +208,7 @@ int i2s_set_fmt(struct i2s_reg *i2s_reg, unsigned int fmt) break; default: debug("%s: Invalid master selection [0x%x]\n", __func__, - (fmt & SND_SOC_DAIFMT_MASTER_MASK)); + (fmt & SND_SOC_DAIFMT_MASTER_MASK)); return -1; } @@ -250,7 +249,7 @@ int i2s_set_samplesize(struct i2s_reg *i2s_reg, unsigned int blc) break; default: debug("%s: Invalid sample size input [0x%x]\n", - __func__, blc); + __func__, blc); return -1; } writel(mod, &i2s_reg->mod); @@ -313,11 +312,22 @@ int i2s_tx_init(struct i2stx_info *pi2s_tx) } /* Select Clk Source for Audio1 */ - set_i2s_clk_source(); + ret = set_i2s_clk_source(pi2s_tx->id); + if (ret == -1) { + debug("%s: unsupported clock for i2s-%d\n", __func__, + pi2s_tx->id); + return -1; + } /* Set Prescaler to get MCLK */ - set_i2s_clk_prescaler(pi2s_tx->audio_pll_clk, - (pi2s_tx->samplingrate * (pi2s_tx->rfs))); + ret = set_i2s_clk_prescaler(pi2s_tx->audio_pll_clk, + (pi2s_tx->samplingrate * (pi2s_tx->rfs)), + pi2s_tx->id); + if (ret == -1) { + debug("%s: unsupported prescalar for i2s-%d\n", __func__, + pi2s_tx->id); + return -1; + } /* Configure I2s format */ ret = i2s_set_fmt(i2s_reg, (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |