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authorMarcelo Tosatti <mtosatti@redhat.com>2012-10-29 19:15:32 -0200
committerMarcelo Tosatti <mtosatti@redhat.com>2012-10-29 19:15:32 -0200
commit19bf7f8ac3f8131100027281c495dbbe00cd5ae0 (patch)
tree270b97e3ca47c0f62a1babca2ae37f79a76a309c /sound/soc/omap/mcbsp.c
parent787c57c0fb393fe8a3974d300ddcfe30373386fe (diff)
parent35fd3dc58da675d659513384221349ef90749a01 (diff)
downloadlwn-19bf7f8ac3f8131100027281c495dbbe00cd5ae0.tar.gz
lwn-19bf7f8ac3f8131100027281c495dbbe00cd5ae0.zip
Merge remote-tracking branch 'master' into queue
Merge reason: development work has dependency on kvm patches merged upstream. Conflicts: arch/powerpc/include/asm/Kbuild arch/powerpc/include/asm/kvm_para.h Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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 a681a9a8b846..afb8d4f1bedf 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 <linux/platform_data/asoc-ti-mcbsp.h>
@@ -728,50 +729,39 @@ 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)