[PATCH v5 17/17] ASoC: fsl_ssi: Use ssi->streams instead of reading register

From: Nicolin Chen
Date: Wed Jan 17 2018 - 01:53:17 EST


Since ssi->streams is being updated along with SCR register and
its SSIEN bit, it's simpler to use it instead.

Signed-off-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
Tested-by: Caleb Crome <caleb@xxxxxxxxx>
---
sound/soc/fsl/fsl_ssi.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index a8a040d..c6c1b07 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -803,11 +803,6 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
unsigned int sample_size = params_width(hw_params);
u32 wl = SSI_SxCCR_WL(sample_size);
int ret;
- u32 scr;
- int enabled;
-
- regmap_read(regs, REG_SSI_SCR, &scr);
- enabled = scr & SSI_SCR_SSIEN;

/*
* SSI is properly configured if it is enabled and running in
@@ -815,7 +810,7 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
* that should set separate configurations for STCCR and SRCCR
* despite running in the synchronous mode.
*/
- if (enabled && ssi->synchronous)
+ if (ssi->streams && ssi->synchronous)
return 0;

if (fsl_ssi_is_i2s_master(ssi)) {
--
2.7.4