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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2016-05-09 13:42:29 +0300
committerMark Brown <broonie@kernel.org>2016-05-09 16:55:16 +0100
commit20d4b10730183a02851580f072bd9b0122873dc5 (patch)
tree8c1cc21bea1c6a9cfb7cac95d6603d4e8a4084ab /sound/soc/davinci
parent19357366633cfc53532b587180af3655f0e453f3 (diff)
downloadlinux-20d4b10730183a02851580f072bd9b0122873dc5.tar.bz2
ASoC: davinci-mcasp: Use defines for clkdiv IDs
Instead of hardwired IDs add defines for the available dividers. 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.c7
-rw-r--r--sound/soc/davinci/davinci-mcasp.h5
2 files changed, 9 insertions, 3 deletions
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 020d8660e4e5..adf1c3941f23 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -547,14 +547,14 @@ static int __davinci_mcasp_set_clkdiv(struct snd_soc_dai *dai, int div_id,
pm_runtime_get_sync(mcasp->dev);
switch (div_id) {
- case 0: /* MCLK divider */
+ case MCASP_CLKDIV_AUXCLK: /* MCLK divider */
mcasp_mod_bits(mcasp, DAVINCI_MCASP_AHCLKXCTL_REG,
AHCLKXDIV(div - 1), AHCLKXDIV_MASK);
mcasp_mod_bits(mcasp, DAVINCI_MCASP_AHCLKRCTL_REG,
AHCLKRDIV(div - 1), AHCLKRDIV_MASK);
break;
- case 1: /* BCLK divider */
+ case MCASP_CLKDIV_BCLK: /* BCLK divider */
mcasp_mod_bits(mcasp, DAVINCI_MCASP_ACLKXCTL_REG,
ACLKXDIV(div - 1), ACLKXDIV_MASK);
mcasp_mod_bits(mcasp, DAVINCI_MCASP_ACLKRCTL_REG,
@@ -563,7 +563,8 @@ static int __davinci_mcasp_set_clkdiv(struct snd_soc_dai *dai, int div_id,
mcasp->bclk_div = div;
break;
- case 2: /*
+ case MCASP_CLKDIV_BCLK_FS_RATIO:
+ /*
* BCLK/LRCLK ratio descries how many bit-clock cycles
* fit into one frame. The clock ratio is given for a
* full period of data (for I2S format both left and
diff --git a/sound/soc/davinci/davinci-mcasp.h b/sound/soc/davinci/davinci-mcasp.h
index a3be108a8c17..1e8787fb3fb7 100644
--- a/sound/soc/davinci/davinci-mcasp.h
+++ b/sound/soc/davinci/davinci-mcasp.h
@@ -306,4 +306,9 @@
#define NUMEVT(x) (((x) & 0xFF) << 8)
#define NUMDMA_MASK (0xFF)
+/* clock divider IDs */
+#define MCASP_CLKDIV_AUXCLK 0 /* HCLK divider from AUXCLK */
+#define MCASP_CLKDIV_BCLK 1 /* BCLK divider from HCLK */
+#define MCASP_CLKDIV_BCLK_FS_RATIO 2 /* to set BCLK FS ration */
+
#endif /* DAVINCI_MCASP_H */