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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-07-13 12:05:49 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-13 12:05:49 +0100 |
commit | 044e5f45e4ad890d03bd1e8bb44c634397cac24d (patch) | |
tree | a6063f77bd719d933823915d2273eaadb6331611 /sound/soc/pxa/pxa2xx-i2s.c | |
parent | f0006314d37639714da9658cf4ff3f1f9f420764 (diff) | |
parent | faf64ed4968e354624f330c6da6c1ce8b05a0713 (diff) | |
download | kernel_samsung_crespo-044e5f45e4ad890d03bd1e8bb44c634397cac24d.zip kernel_samsung_crespo-044e5f45e4ad890d03bd1e8bb44c634397cac24d.tar.gz kernel_samsung_crespo-044e5f45e4ad890d03bd1e8bb44c634397cac24d.tar.bz2 |
Merge branch 'pxa' into devel
Conflicts:
arch/arm/configs/em_x270_defconfig
arch/arm/configs/xm_x270_defconfig
Diffstat (limited to 'sound/soc/pxa/pxa2xx-i2s.c')
-rw-r--r-- | sound/soc/pxa/pxa2xx-i2s.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c index 4250710..e130346 100644 --- a/sound/soc/pxa/pxa2xx-i2s.c +++ b/sound/soc/pxa/pxa2xx-i2s.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/device.h> #include <linux/delay.h> +#include <linux/clk.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/initval.h> @@ -40,6 +41,7 @@ struct pxa_i2s_port { u32 fmt; }; static struct pxa_i2s_port pxa_i2s; +static struct clk *clk_i2s; static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = { .name = "I2S PCM Stereo out", @@ -82,6 +84,10 @@ static int pxa2xx_i2s_startup(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; + clk_i2s = clk_get(NULL, "I2SCLK"); + if (IS_ERR(clk_i2s)) + return PTR_ERR(clk_i2s); + if (!cpu_dai->active) { SACR0 |= SACR0_RST; SACR0 = 0; @@ -149,7 +155,7 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream, pxa_gpio_mode(gpio_bus[pxa_i2s.master].tx); pxa_gpio_mode(gpio_bus[pxa_i2s.master].frm); pxa_gpio_mode(gpio_bus[pxa_i2s.master].clk); - pxa_set_cken(CKEN_I2S, 1); + clk_enable(clk_i2s); pxa_i2s_wait(); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) @@ -234,8 +240,10 @@ static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream) if (SACR1 & (SACR1_DREC | SACR1_DRPL)) { SACR0 &= ~SACR0_ENB; pxa_i2s_wait(); - pxa_set_cken(CKEN_I2S, 0); + clk_disable(clk_i2s); } + + clk_put(clk_i2s); } #ifdef CONFIG_PM |