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authorTakashi Iwai <tiwai@suse.de>2012-09-22 18:31:08 +0200
committerTakashi Iwai <tiwai@suse.de>2012-09-22 18:31:08 +0200
commit3d98c21d064bfbb8c6fddc659471acb4950320fa (patch)
treea506fbe4cca3616f328cdf761a45d0a09ce38237 /sound/soc/omap/mcbsp.c
parentALSA: hda - add PCI identifier for Intel 5 Series/3400 (diff)
parentMerge tag 'v3.6-rc6' into for-3.7 (diff)
downloadlinux-dev-3d98c21d064bfbb8c6fddc659471acb4950320fa.tar.xz
linux-dev-3d98c21d064bfbb8c6fddc659471acb4950320fa.zip
Merge tag 'asoc-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.7 Lots and lots of driver specific cleanups and enhancements but the only substantial framework feature this time round is the compressed API binding: - Addition of ASoC bindings for the compressed API, used by the mid-x86 drivers. - Lots of cleanups and API refreshes for CODEC drivers and DaVinci. - Conversion of OMAP to dmaengine. - New machine driver for Wolfson Microelectronics Bells. - New CODEC driver for Wolfson Microelectronics WM0010.
Diffstat (limited to 'sound/soc/omap/mcbsp.c')
-rw-r--r--sound/soc/omap/mcbsp.c54
1 files changed, 22 insertions, 32 deletions
diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index d33c48baaf71..bc06175e6367 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -24,6 +24,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/slab.h>
+#include <linux/pm_runtime.h>
#include <plat/mcbsp.h>
@@ -726,50 +727,39 @@ void omap_mcbsp_stop(struct omap_mcbsp *mcbsp, int tx, int rx)
int omap2_mcbsp_set_clks_src(struct omap_mcbsp *mcbsp, u8 fck_src_id)
{
+ struct clk *fck_src;
const char *src;
+ int r;
if (fck_src_id == MCBSP_CLKS_PAD_SRC)
- src = "clks_ext";
+ src = "pad_fck";
else if (fck_src_id == MCBSP_CLKS_PRCM_SRC)
- src = "clks_fclk";
+ src = "prcm_fck";
else
return -EINVAL;
- if (mcbsp->pdata->set_clk_src)
- return mcbsp->pdata->set_clk_src(mcbsp->dev, mcbsp->fclk, src);
- else
+ fck_src = clk_get(mcbsp->dev, src);
+ if (IS_ERR(fck_src)) {
+ dev_err(mcbsp->dev, "CLKS: could not clk_get() %s\n", src);
return -EINVAL;
-}
-
-int omap_mcbsp_6pin_src_mux(struct omap_mcbsp *mcbsp, u8 mux)
-{
- const char *signal, *src;
+ }
- if (!mcbsp->pdata->mux_signal)
- return -EINVAL;
+ pm_runtime_put_sync(mcbsp->dev);
- switch (mux) {
- case CLKR_SRC_CLKR:
- signal = "clkr";
- src = "clkr";
- break;
- case CLKR_SRC_CLKX:
- signal = "clkr";
- src = "clkx";
- break;
- case FSR_SRC_FSR:
- signal = "fsr";
- src = "fsr";
- break;
- case FSR_SRC_FSX:
- signal = "fsr";
- src = "fsx";
- break;
- default:
- return -EINVAL;
+ r = clk_set_parent(mcbsp->fclk, fck_src);
+ if (r) {
+ dev_err(mcbsp->dev, "CLKS: could not clk_set_parent() to %s\n",
+ src);
+ clk_put(fck_src);
+ return r;
}
- return mcbsp->pdata->mux_signal(mcbsp->dev, signal, src);
+ pm_runtime_get_sync(mcbsp->dev);
+
+ clk_put(fck_src);
+
+ return 0;
+
}
#define max_thres(m) (mcbsp->pdata->buffer_size)