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authorTakashi Iwai <tiwai@suse.de>2012-05-31 21:19:31 +0200
committerTakashi Iwai <tiwai@suse.de>2012-05-31 21:19:31 +0200
commitfbf2045af7691fbab2fd9f6d6fa96839bea13d31 (patch)
tree4c3c235799a4ff12900ab023254c52e4209ad7d4 /sound
parentALSA: hdspm - Work around broken DDS value on PCI RME MADI (diff)
parentASoC: fsi: bugfix: ensure dma is terminated (diff)
downloadlinux-fbf2045af7691fbab2fd9f6d6fa96839bea13d31.tar.xz
linux-fbf2045af7691fbab2fd9f6d6fa96839bea13d31.zip
Merge tag 'asoc-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: A few bug fixes for the merge window Small driver-specific updates.
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/fsl/imx-ssi.c6
-rw-r--r--sound/soc/sh/fsi.c25
2 files changed, 19 insertions, 12 deletions
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index cf3ed0362c9c..28dd76c7cb1c 100644
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -543,7 +543,7 @@ static int imx_ssi_probe(struct platform_device *pdev)
ret);
goto failed_clk;
}
- clk_enable(ssi->clk);
+ clk_prepare_enable(ssi->clk);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -641,7 +641,7 @@ failed_ac97:
failed_ioremap:
release_mem_region(res->start, resource_size(res));
failed_get_resource:
- clk_disable(ssi->clk);
+ clk_disable_unprepare(ssi->clk);
clk_put(ssi->clk);
failed_clk:
kfree(ssi);
@@ -664,7 +664,7 @@ static int __devexit imx_ssi_remove(struct platform_device *pdev)
iounmap(ssi->base);
release_mem_region(res->start, resource_size(res));
- clk_disable(ssi->clk);
+ clk_disable_unprepare(ssi->clk);
clk_put(ssi->clk);
kfree(ssi);
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 7cee22515d9d..2ef98536f1da 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1052,6 +1052,13 @@ static int fsi_dma_quit(struct fsi_priv *fsi, struct fsi_stream *io)
return 0;
}
+static dma_addr_t fsi_dma_get_area(struct fsi_stream *io)
+{
+ struct snd_pcm_runtime *runtime = io->substream->runtime;
+
+ return io->dma + samples_to_bytes(runtime, io->buff_sample_pos);
+}
+
static void fsi_dma_complete(void *data)
{
struct fsi_stream *io = (struct fsi_stream *)data;
@@ -1061,7 +1068,7 @@ static void fsi_dma_complete(void *data)
enum dma_data_direction dir = fsi_stream_is_play(fsi, io) ?
DMA_TO_DEVICE : DMA_FROM_DEVICE;
- dma_sync_single_for_cpu(dai->dev, io->dma,
+ dma_sync_single_for_cpu(dai->dev, fsi_dma_get_area(io),
samples_to_bytes(runtime, io->period_samples), dir);
io->buff_sample_pos += io->period_samples;
@@ -1078,13 +1085,6 @@ static void fsi_dma_complete(void *data)
snd_pcm_period_elapsed(io->substream);
}
-static dma_addr_t fsi_dma_get_area(struct fsi_stream *io)
-{
- struct snd_pcm_runtime *runtime = io->substream->runtime;
-
- return io->dma + samples_to_bytes(runtime, io->buff_sample_pos);
-}
-
static void fsi_dma_do_tasklet(unsigned long data)
{
struct fsi_stream *io = (struct fsi_stream *)data;
@@ -1110,7 +1110,7 @@ static void fsi_dma_do_tasklet(unsigned long data)
len = samples_to_bytes(runtime, io->period_samples);
buf = fsi_dma_get_area(io);
- dma_sync_single_for_device(dai->dev, io->dma, len, dir);
+ dma_sync_single_for_device(dai->dev, buf, len, dir);
sg_init_table(&sg, 1);
sg_set_page(&sg, pfn_to_page(PFN_DOWN(buf)),
@@ -1172,9 +1172,16 @@ static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io)
static void fsi_dma_push_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
int start)
{
+ struct fsi_master *master = fsi_get_master(fsi);
+ u32 clk = fsi_is_port_a(fsi) ? CRA : CRB;
u32 enable = start ? DMA_ON : 0;
fsi_reg_mask_set(fsi, OUT_DMAC, DMA_ON, enable);
+
+ dmaengine_terminate_all(io->chan);
+
+ if (fsi_is_clk_master(fsi))
+ fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
}
static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io)