4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Arnd Bergmann <arnd@xxxxxxxx>
commit b9a1a743818ea3265abf98f9431623afa8c50c86 upstream.
ARM64 allmodconfig produces a bunch of warnings when building the
samsung ASoC code:
sound/soc/samsung/dmaengine.c: In function 'samsung_asoc_init_dma_data':
sound/soc/samsung/dmaengine.c:53:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
playback_data->filter_data = (void *)playback->channel;
sound/soc/samsung/dmaengine.c:60:31: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
capture_data->filter_data = (void *)capture->channel;
We could easily shut up the warning by adding an intermediate cast,
but there is a bigger underlying problem: The use of IORESOURCE_DMA
to pass data from platform code to device drivers is dubious to start
with, as what we really want is a pointer that can be passed into
a filter function.
Note that on s3c64xx, the pl08x DMA data is already a pointer, but
gets cast to resource_size_t so we can pass it as a resource, and it
then gets converted back to a pointer. In contrast, the data we pass
for s3c24xx is an index into a device specific table, and we artificially
convert that into a pointer for the filter function.
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-s3c64xx/dev-audio.c | 41 +++++++++++++-----------
arch/arm/mach-s3c64xx/include/mach/dma.h | 52 +++++++++++++++----------------
arch/arm/plat-samsung/devs.c | 11 ++++--
include/linux/platform_data/asoc-s3c.h | 4 ++
sound/soc/samsung/ac97.c | 26 ++-------------
sound/soc/samsung/dma.h | 2 -
sound/soc/samsung/dmaengine.c | 4 +-
sound/soc/samsung/i2s.c | 26 ++-------------
sound/soc/samsung/pcm.c | 20 ++---------
sound/soc/samsung/s3c2412-i2s.c | 4 +-
sound/soc/samsung/s3c24xx-i2s.c | 4 +-
sound/soc/samsung/spdif.c | 10 +----
12 files changed, 84 insertions(+), 120 deletions(-)
--- a/arch/arm/mach-s3c64xx/dev-audio.c
+++ b/arch/arm/mach-s3c64xx/dev-audio.c
@@ -54,12 +54,12 @@ static int s3c64xx_i2s_cfg_gpio(struct p
static struct resource s3c64xx_iis0_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_I2S0_OUT),
- [2] = DEFINE_RES_DMA(DMACH_I2S0_IN),
};
-static struct s3c_audio_pdata i2sv3_pdata = {
+static struct s3c_audio_pdata i2s0_pdata = {
.cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .dma_playback = DMACH_I2S0_OUT,
+ .dma_capture = DMACH_I2S0_IN,
};
struct platform_device s3c64xx_device_iis0 = {
@@ -68,15 +68,19 @@ struct platform_device s3c64xx_device_ii
.num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
.resource = s3c64xx_iis0_resource,
.dev = {
- .platform_data = &i2sv3_pdata,
+ .platform_data = &i2s0_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis0);
static struct resource s3c64xx_iis1_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_I2S1_OUT),
- [2] = DEFINE_RES_DMA(DMACH_I2S1_IN),
+};
+
+static struct s3c_audio_pdata i2s1_pdata = {
+ .cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .dma_playback = DMACH_I2S1_OUT,
+ .dma_capture = DMACH_I2S1_IN,
};
struct platform_device s3c64xx_device_iis1 = {
@@ -85,19 +89,19 @@ struct platform_device s3c64xx_device_ii
.num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
.resource = s3c64xx_iis1_resource,
.dev = {
- .platform_data = &i2sv3_pdata,
+ .platform_data = &i2s1_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis1);
static struct resource s3c64xx_iisv4_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_IISV4, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_TX),
- [2] = DEFINE_RES_DMA(DMACH_HSI_I2SV40_RX),
};
static struct s3c_audio_pdata i2sv4_pdata = {
.cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .dma_playback = DMACH_HSI_I2SV40_TX,
+ .dma_capture = DMACH_HSI_I2SV40_RX,
.type = {
.i2s = {
.quirks = QUIRK_PRI_6CHAN,
@@ -142,12 +146,12 @@ static int s3c64xx_pcm_cfg_gpio(struct p
static struct resource s3c64xx_pcm0_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_PCM0, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_PCM0_TX),
- [2] = DEFINE_RES_DMA(DMACH_PCM0_RX),
};
static struct s3c_audio_pdata s3c_pcm0_pdata = {
.cfg_gpio = s3c64xx_pcm_cfg_gpio,
+ .dma_capture = DMACH_PCM0_RX,
+ .dma_playback = DMACH_PCM0_TX,
};
struct platform_device s3c64xx_device_pcm0 = {
@@ -163,12 +167,12 @@ EXPORT_SYMBOL(s3c64xx_device_pcm0);
static struct resource s3c64xx_pcm1_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_PCM1, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_PCM1_TX),
- [2] = DEFINE_RES_DMA(DMACH_PCM1_RX),
};
static struct s3c_audio_pdata s3c_pcm1_pdata = {
.cfg_gpio = s3c64xx_pcm_cfg_gpio,
+ .dma_playback = DMACH_PCM1_TX,
+ .dma_capture = DMACH_PCM1_RX,
};
struct platform_device s3c64xx_device_pcm1 = {
@@ -196,13 +200,14 @@ static int s3c64xx_ac97_cfg_gpe(struct p
static struct resource s3c64xx_ac97_resource[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_AC97, SZ_256),
- [1] = DEFINE_RES_DMA(DMACH_AC97_PCMOUT),
- [2] = DEFINE_RES_DMA(DMACH_AC97_PCMIN),
- [3] = DEFINE_RES_DMA(DMACH_AC97_MICIN),
- [4] = DEFINE_RES_IRQ(IRQ_AC97),
+ [1] = DEFINE_RES_IRQ(IRQ_AC97),
};
-static struct s3c_audio_pdata s3c_ac97_pdata;
+static struct s3c_audio_pdata s3c_ac97_pdata = {
+ .dma_playback = DMACH_AC97_PCMOUT,
+ .dma_capture = DMACH_AC97_PCMIN,
+ .dma_capture_mic = DMACH_AC97_MICIN,
+};
static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
--- a/arch/arm/mach-s3c64xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c64xx/include/mach/dma.h
@@ -14,38 +14,38 @@
#define S3C64XX_DMA_CHAN(name) ((unsigned long)(name))
/* DMA0/SDMA0 */
-#define DMACH_UART0 S3C64XX_DMA_CHAN("uart0_tx")
-#define DMACH_UART0_SRC2 S3C64XX_DMA_CHAN("uart0_rx")
-#define DMACH_UART1 S3C64XX_DMA_CHAN("uart1_tx")
-#define DMACH_UART1_SRC2 S3C64XX_DMA_CHAN("uart1_rx")
-#define DMACH_UART2 S3C64XX_DMA_CHAN("uart2_tx")
-#define DMACH_UART2_SRC2 S3C64XX_DMA_CHAN("uart2_rx")
-#define DMACH_UART3 S3C64XX_DMA_CHAN("uart3_tx")
-#define DMACH_UART3_SRC2 S3C64XX_DMA_CHAN("uart3_rx")
-#define DMACH_PCM0_TX S3C64XX_DMA_CHAN("pcm0_tx")
-#define DMACH_PCM0_RX S3C64XX_DMA_CHAN("pcm0_rx")
-#define DMACH_I2S0_OUT S3C64XX_DMA_CHAN("i2s0_tx")
-#define DMACH_I2S0_IN S3C64XX_DMA_CHAN("i2s0_rx")
+#define DMACH_UART0 "uart0_tx"
+#define DMACH_UART0_SRC2 "uart0_rx"
+#define DMACH_UART1 "uart1_tx"
+#define DMACH_UART1_SRC2 "uart1_rx"
+#define DMACH_UART2 "uart2_tx"
+#define DMACH_UART2_SRC2 "uart2_rx"
+#define DMACH_UART3 "uart3_tx"
+#define DMACH_UART3_SRC2 "uart3_rx"
+#define DMACH_PCM0_TX "pcm0_tx"
+#define DMACH_PCM0_RX "pcm0_rx"
+#define DMACH_I2S0_OUT "i2s0_tx"
+#define DMACH_I2S0_IN "i2s0_rx"
#define DMACH_SPI0_TX S3C64XX_DMA_CHAN("spi0_tx")
#define DMACH_SPI0_RX S3C64XX_DMA_CHAN("spi0_rx")
-#define DMACH_HSI_I2SV40_TX S3C64XX_DMA_CHAN("i2s2_tx")
-#define DMACH_HSI_I2SV40_RX S3C64XX_DMA_CHAN("i2s2_rx")
+#define DMACH_HSI_I2SV40_TX "i2s2_tx"
+#define DMACH_HSI_I2SV40_RX "i2s2_rx"
/* DMA1/SDMA1 */
-#define DMACH_PCM1_TX S3C64XX_DMA_CHAN("pcm1_tx")
-#define DMACH_PCM1_RX S3C64XX_DMA_CHAN("pcm1_rx")
-#define DMACH_I2S1_OUT S3C64XX_DMA_CHAN("i2s1_tx")
-#define DMACH_I2S1_IN S3C64XX_DMA_CHAN("i2s1_rx")
+#define DMACH_PCM1_TX "pcm1_tx"
+#define DMACH_PCM1_RX "pcm1_rx"
+#define DMACH_I2S1_OUT "i2s1_tx"
+#define DMACH_I2S1_IN "i2s1_rx"
#define DMACH_SPI1_TX S3C64XX_DMA_CHAN("spi1_tx")
#define DMACH_SPI1_RX S3C64XX_DMA_CHAN("spi1_rx")
-#define DMACH_AC97_PCMOUT S3C64XX_DMA_CHAN("ac97_out")
-#define DMACH_AC97_PCMIN S3C64XX_DMA_CHAN("ac97_in")
-#define DMACH_AC97_MICIN S3C64XX_DMA_CHAN("ac97_mic")
-#define DMACH_PWM S3C64XX_DMA_CHAN("pwm")
-#define DMACH_IRDA S3C64XX_DMA_CHAN("irda")
-#define DMACH_EXTERNAL S3C64XX_DMA_CHAN("external")
-#define DMACH_SECURITY_RX S3C64XX_DMA_CHAN("sec_rx")
-#define DMACH_SECURITY_TX S3C64XX_DMA_CHAN("sec_tx")
+#define DMACH_AC97_PCMOUT "ac97_out"
+#define DMACH_AC97_PCMIN "ac97_in"
+#define DMACH_AC97_MICIN "ac97_mic"
+#define DMACH_PWM "pwm"
+#define DMACH_IRDA "irda"
+#define DMACH_EXTERNAL "external"
+#define DMACH_SECURITY_RX "sec_rx"
+#define DMACH_SECURITY_TX "sec_tx"
enum dma_ch {
DMACH_MAX = 32
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -65,6 +65,7 @@
#include <linux/platform_data/usb-ohci-s3c2410.h>
#include <plat/usb-phy.h>
#include <plat/regs-spi.h>
+#include <linux/platform_data/asoc-s3c.h>
#include <linux/platform_data/spi-s3c64xx.h>
static u64 samsung_device_dma_mask = DMA_BIT_MASK(32);
@@ -74,9 +75,12 @@ static u64 samsung_device_dma_mask = DMA
static struct resource s3c_ac97_resource[] = {
[0] = DEFINE_RES_MEM(S3C2440_PA_AC97, S3C2440_SZ_AC97),
[1] = DEFINE_RES_IRQ(IRQ_S3C244X_AC97),
- [2] = DEFINE_RES_DMA_NAMED(DMACH_PCM_OUT, "PCM out"),
- [3] = DEFINE_RES_DMA_NAMED(DMACH_PCM_IN, "PCM in"),
- [4] = DEFINE_RES_DMA_NAMED(DMACH_MIC_IN, "Mic in"),
+};
+
+static struct s3c_audio_pdata s3c_ac97_pdata = {
+ .dma_playback = (void *)DMACH_PCM_OUT,
+ .dma_capture = (void *)DMACH_PCM_IN,
+ .dma_capture_mic = (void *)DMACH_MIC_IN,
};
struct platform_device s3c_device_ac97 = {
@@ -87,6 +91,7 @@ struct platform_device s3c_device_ac97 =
.dev = {
.dma_mask = &samsung_device_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s3c_ac97_pdata,
}
};
#endif /* CONFIG_CPU_S3C2440 */
--- a/include/linux/platform_data/asoc-s3c.h
+++ b/include/linux/platform_data/asoc-s3c.h
@@ -39,6 +39,10 @@ struct samsung_i2s {
*/
struct s3c_audio_pdata {
int (*cfg_gpio)(struct platform_device *);
+ void *dma_playback;
+ void *dma_capture;
+ void *dma_play_sec;
+ void *dma_capture_mic;
union {
struct samsung_i2s i2s;
} type;
--- a/sound/soc/samsung/ac97.c
+++ b/sound/soc/samsung/ac97.c
@@ -324,7 +324,7 @@ static const struct snd_soc_component_dr
static int s3c_ac97_probe(struct platform_device *pdev)
{
- struct resource *mem_res, *dmatx_res, *dmarx_res, *dmamic_res, *irq_res;
+ struct resource *mem_res, *irq_res;
struct s3c_audio_pdata *ac97_pdata;
int ret;
@@ -335,24 +335,6 @@ static int s3c_ac97_probe(struct platfor
}
/* Check for availability of necessary resource */
- dmatx_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!dmatx_res) {
- dev_err(&pdev->dev, "Unable to get AC97-TX dma resource\n");
- return -ENXIO;
- }
-
- dmarx_res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!dmarx_res) {
- dev_err(&pdev->dev, "Unable to get AC97-RX dma resource\n");
- return -ENXIO;
- }
-
- dmamic_res = platform_get_resource(pdev, IORESOURCE_DMA, 2);
- if (!dmamic_res) {
- dev_err(&pdev->dev, "Unable to get AC97-MIC dma resource\n");
- return -ENXIO;
- }
-
irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!irq_res) {
dev_err(&pdev->dev, "AC97 IRQ not provided!\n");
@@ -364,11 +346,11 @@ static int s3c_ac97_probe(struct platfor
if (IS_ERR(s3c_ac97.regs))
return PTR_ERR(s3c_ac97.regs);
- s3c_ac97_pcm_out.channel = dmatx_res->start;
+ s3c_ac97_pcm_out.slave = ac97_pdata->dma_playback;
s3c_ac97_pcm_out.dma_addr = mem_res->start + S3C_AC97_PCM_DATA;
- s3c_ac97_pcm_in.channel = dmarx_res->start;
+ s3c_ac97_pcm_in.slave = ac97_pdata->dma_capture;
s3c_ac97_pcm_in.dma_addr = mem_res->start + S3C_AC97_PCM_DATA;
- s3c_ac97_mic_in.channel = dmamic_res->start;
+ s3c_ac97_mic_in.slave = ac97_pdata->dma_capture_mic;
s3c_ac97_mic_in.dma_addr = mem_res->start + S3C_AC97_MIC_DATA;
init_completion(&s3c_ac97.done);
--- a/sound/soc/samsung/dma.h
+++ b/sound/soc/samsung/dma.h
@@ -15,7 +15,7 @@
#include <sound/dmaengine_pcm.h>
struct s3c_dma_params {
- int channel; /* Channel ID */
+ void *slave; /* Channel ID */
dma_addr_t dma_addr;
int dma_size; /* Size of the DMA transfer */
char *ch_name;
--- a/sound/soc/samsung/dmaengine.c
+++ b/sound/soc/samsung/dmaengine.c
@@ -50,14 +50,14 @@ void samsung_asoc_init_dma_data(struct s
if (playback) {
playback_data = &playback->dma_data;
- playback_data->filter_data = (void *)playback->channel;
+ playback_data->filter_data = playback->slave;
playback_data->chan_name = playback->ch_name;
playback_data->addr = playback->dma_addr;
playback_data->addr_width = playback->dma_size;
}
if (capture) {
capture_data = &capture->dma_data;
- capture_data->filter_data = (void *)capture->channel;
+ capture_data->filter_data = capture->slave;
capture_data->chan_name = capture->ch_name;
capture_data->addr = capture->dma_addr;
capture_data->addr_width = capture->dma_size;
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1260,27 +1260,14 @@ static int samsung_i2s_probe(struct plat
pri_dai->lock = &pri_dai->spinlock;
if (!np) {
- res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!res) {
- dev_err(&pdev->dev,
- "Unable to get I2S-TX dma resource\n");
- return -ENXIO;
- }
- pri_dai->dma_playback.channel = res->start;
-
- res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!res) {
- dev_err(&pdev->dev,
- "Unable to get I2S-RX dma resource\n");
- return -ENXIO;
- }
- pri_dai->dma_capture.channel = res->start;
-
if (i2s_pdata == NULL) {
dev_err(&pdev->dev, "Can't work without s3c_audio_pdata\n");
return -EINVAL;
}
+ pri_dai->dma_playback.slave = i2s_pdata->dma_playback;
+ pri_dai->dma_capture.slave = i2s_pdata->dma_capture;
+
if (&i2s_pdata->type)
i2s_cfg = &i2s_pdata->type.i2s;
@@ -1341,11 +1328,8 @@ static int samsung_i2s_probe(struct plat
sec_dai->dma_playback.dma_addr = regs_base + I2STXDS;
sec_dai->dma_playback.ch_name = "tx-sec";
- if (!np) {
- res = platform_get_resource(pdev, IORESOURCE_DMA, 2);
- if (res)
- sec_dai->dma_playback.channel = res->start;
- }
+ if (!np)
+ sec_dai->dma_playback.slave = i2s_pdata->dma_play_sec;
sec_dai->dma_playback.dma_size = 4;
sec_dai->addr = pri_dai->addr;
--- a/sound/soc/samsung/pcm.c
+++ b/sound/soc/samsung/pcm.c
@@ -486,7 +486,7 @@ static const struct snd_soc_component_dr
static int s3c_pcm_dev_probe(struct platform_device *pdev)
{
struct s3c_pcm_info *pcm;
- struct resource *mem_res, *dmatx_res, *dmarx_res;
+ struct resource *mem_res;
struct s3c_audio_pdata *pcm_pdata;
int ret;
@@ -499,18 +499,6 @@ static int s3c_pcm_dev_probe(struct plat
pcm_pdata = pdev->dev.platform_data;
/* Check for availability of necessary resource */
- dmatx_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!dmatx_res) {
- dev_err(&pdev->dev, "Unable to get PCM-TX dma resource\n");
- return -ENXIO;
- }
-
- dmarx_res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
- if (!dmarx_res) {
- dev_err(&pdev->dev, "Unable to get PCM-RX dma resource\n");
- return -ENXIO;
- }
-
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem_res) {
dev_err(&pdev->dev, "Unable to get register resource\n");
@@ -568,8 +556,10 @@ static int s3c_pcm_dev_probe(struct plat
s3c_pcm_stereo_out[pdev->id].dma_addr = mem_res->start
+ S3C_PCM_TXFIFO;
- s3c_pcm_stereo_in[pdev->id].channel = dmarx_res->start;
- s3c_pcm_stereo_out[pdev->id].channel = dmatx_res->start;
+ if (pcm_pdata) {
+ s3c_pcm_stereo_in[pdev->id].slave = pcm_pdata->dma_capture;
+ s3c_pcm_stereo_out[pdev->id].slave = pcm_pdata->dma_playback;
+ }
pcm->dma_capture = &s3c_pcm_stereo_in[pdev->id];
pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id];
--- a/sound/soc/samsung/s3c2412-i2s.c
+++ b/sound/soc/samsung/s3c2412-i2s.c
@@ -34,13 +34,13 @@
#include "s3c2412-i2s.h"
static struct s3c_dma_params s3c2412_i2s_pcm_stereo_out = {
- .channel = DMACH_I2S_OUT,
+ .slave = (void *)(uintptr_t)DMACH_I2S_OUT,
.ch_name = "tx",
.dma_size = 4,
};
static struct s3c_dma_params s3c2412_i2s_pcm_stereo_in = {
- .channel = DMACH_I2S_IN,
+ .slave = (void *)(uintptr_t)DMACH_I2S_IN,
.ch_name = "rx",
.dma_size = 4,
};
--- a/sound/soc/samsung/s3c24xx-i2s.c
+++ b/sound/soc/samsung/s3c24xx-i2s.c
@@ -32,13 +32,13 @@
#include "s3c24xx-i2s.h"
static struct s3c_dma_params s3c24xx_i2s_pcm_stereo_out = {
- .channel = DMACH_I2S_OUT,
+ .slave = (void *)(uintptr_t)DMACH_I2S_OUT,
.ch_name = "tx",
.dma_size = 2,
};
static struct s3c_dma_params s3c24xx_i2s_pcm_stereo_in = {
- .channel = DMACH_I2S_IN,
+ .slave = (void *)(uintptr_t)DMACH_I2S_IN,
.ch_name = "rx",
.dma_size = 2,
};
--- a/sound/soc/samsung/spdif.c
+++ b/sound/soc/samsung/spdif.c
@@ -359,7 +359,7 @@ static const struct snd_soc_component_dr
static int spdif_probe(struct platform_device *pdev)
{
struct s3c_audio_pdata *spdif_pdata;
- struct resource *mem_res, *dma_res;
+ struct resource *mem_res;
struct samsung_spdif_info *spdif;
int ret;
@@ -367,12 +367,6 @@ static int spdif_probe(struct platform_d
dev_dbg(&pdev->dev, "Entered %s\n", __func__);
- dma_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!dma_res) {
- dev_err(&pdev->dev, "Unable to get dma resource.\n");
- return -ENXIO;
- }
-
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem_res) {
dev_err(&pdev->dev, "Unable to get register resource.\n");
@@ -432,7 +426,7 @@ static int spdif_probe(struct platform_d
spdif_stereo_out.dma_size = 2;
spdif_stereo_out.dma_addr = mem_res->start + DATA_OUTBUF;
- spdif_stereo_out.channel = dma_res->start;
+ spdif_stereo_out.slave = spdif_pdata ? spdif_pdata->dma_playback : NULL;
spdif->dma_playback = &spdif_stereo_out;
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