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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2014-10-01 16:02:11 +0300
committerMark Brown <broonie@kernel.org>2014-10-01 17:02:07 +0100
commit1cc0c054f380c1c477642b5d9d9d9f697f641dbc (patch)
tree93e9dc632aadb2db40ef2dcb98bb9c02ffc051ed /sound/soc/davinci
parent371e07ec837464375fe4d7ef3bd13e13cdfbb458 (diff)
downloadlinux-1cc0c054f380c1c477642b5d9d9d9f697f641dbc.tar.gz
ASoC: davinci-mcasp: Convert the context save/restore to use array
Instead of individual values use an array to store the registers need to be
saved on suspend and restored on resume.
It is going to be easier to add more registers to save and restore.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/davinci')
-rw-r--r--sound/soc/davinci/davinci-mcasp.c38
1 files changed, 17 insertions, 21 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index c28508da34cf..63e24449eb89 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -42,14 +42,18 @@
 
 #define MCASP_MAX_AFIFO_DEPTH	64
 
+static u32 context_regs[] = {
+	DAVINCI_MCASP_TXFMCTL_REG,
+	DAVINCI_MCASP_RXFMCTL_REG,
+	DAVINCI_MCASP_TXFMT_REG,
+	DAVINCI_MCASP_RXFMT_REG,
+	DAVINCI_MCASP_ACLKXCTL_REG,
+	DAVINCI_MCASP_ACLKRCTL_REG,
+	DAVINCI_MCASP_PDIR_REG,
+};
+
 struct davinci_mcasp_context {
-	u32	txfmtctl;
-	u32	rxfmtctl;
-	u32	txfmt;
-	u32	rxfmt;
-	u32	aclkxctl;
-	u32	aclkrctl;
-	u32	pdir;
+	u32	config_regs[ARRAY_SIZE(context_regs)];
 };
 
 struct davinci_mcasp {
@@ -857,14 +861,10 @@ static int davinci_mcasp_suspend(struct snd_soc_dai *dai)
 {
 	struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai);
 	struct davinci_mcasp_context *context = &mcasp->context;
+	int i;
 
-	context->txfmtctl = mcasp_get_reg(mcasp, DAVINCI_MCASP_TXFMCTL_REG);
-	context->rxfmtctl = mcasp_get_reg(mcasp, DAVINCI_MCASP_RXFMCTL_REG);
-	context->txfmt = mcasp_get_reg(mcasp, DAVINCI_MCASP_TXFMT_REG);
-	context->rxfmt = mcasp_get_reg(mcasp, DAVINCI_MCASP_RXFMT_REG);
-	context->aclkxctl = mcasp_get_reg(mcasp, DAVINCI_MCASP_ACLKXCTL_REG);
-	context->aclkrctl = mcasp_get_reg(mcasp, DAVINCI_MCASP_ACLKRCTL_REG);
-	context->pdir = mcasp_get_reg(mcasp, DAVINCI_MCASP_PDIR_REG);
+	for (i = 0; i < ARRAY_SIZE(context_regs); i++)
+		context->config_regs[i] = mcasp_get_reg(mcasp, context_regs[i]);
 
 	return 0;
 }
@@ -873,14 +873,10 @@ static int davinci_mcasp_resume(struct snd_soc_dai *dai)
 {
 	struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai);
 	struct davinci_mcasp_context *context = &mcasp->context;
+	int i;
 
-	mcasp_set_reg(mcasp, DAVINCI_MCASP_TXFMCTL_REG, context->txfmtctl);
-	mcasp_set_reg(mcasp, DAVINCI_MCASP_RXFMCTL_REG, context->rxfmtctl);
-	mcasp_set_reg(mcasp, DAVINCI_MCASP_TXFMT_REG, context->txfmt);
-	mcasp_set_reg(mcasp, DAVINCI_MCASP_RXFMT_REG, context->rxfmt);
-	mcasp_set_reg(mcasp, DAVINCI_MCASP_ACLKXCTL_REG, context->aclkxctl);
-	mcasp_set_reg(mcasp, DAVINCI_MCASP_ACLKRCTL_REG, context->aclkrctl);
-	mcasp_set_reg(mcasp, DAVINCI_MCASP_PDIR_REG, context->pdir);
+	for (i = 0; i < ARRAY_SIZE(context_regs); i++)
+		mcasp_set_reg(mcasp, context_regs[i], context->config_regs[i]);
 
 	return 0;
 }