diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-11-07 10:05:25 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-08 15:02:00 +0400 |
| commit | 65ff03f4624d12ad6c19a01a0af7385eda09e4a6 (patch) | |
| tree | b77f2393982b4a8cc53c06e7d9825145727e308c /sound/soc/sh | |
| parent | 202113912ba117b5c5f36e45529921b4cca4be6a (diff) | |
| download | linux-65ff03f4624d12ad6c19a01a0af7385eda09e4a6.tar.xz | |
ASoC: fsi: add valid data position control support
FSI2 can control valid data position, like
package in front/back or stream mode (16bit x 2).
But current fsi driver is assuming it was in-back.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/sh')
| -rw-r--r-- | sound/soc/sh/fsi.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index e620cb17cd2c..99ed61024166 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -32,7 +32,9 @@ #define REG_DIDT 0x0020 #define REG_DODT 0x0024 #define REG_MUTE_ST 0x0028 +#define REG_OUT_DMAC 0x002C #define REG_OUT_SEL 0x0030 +#define REG_IN_DMAC 0x0038 /* master register */ #define MST_CLK_RST 0x0210 @@ -886,6 +888,8 @@ static int fsi_hw_startup(struct fsi_priv *fsi, int is_play, struct device *dev) { + struct fsi_master *master = fsi_get_master(fsi); + int fsi_ver = master->core->ver; u32 flags = fsi_get_info_flags(fsi); u32 data = 0; @@ -920,6 +924,17 @@ static int fsi_hw_startup(struct fsi_priv *fsi, fsi_reg_mask_set(fsi, OUT_SEL, DMMD, DMMD); } + /* + * FIXME + * + * FSI driver assumed that data package is in-back. + * FSI2 chip can select it. + */ + if (fsi_ver >= 2) { + fsi_reg_write(fsi, OUT_DMAC, (1 << 4)); + fsi_reg_write(fsi, IN_DMAC, (1 << 4)); + } + /* irq clear */ fsi_irq_disable(fsi, is_play); fsi_irq_clear_status(fsi); |