This patch converts the sh_dac_audio driver code to use the new
unified PCM copy callback. It's a straightforward conversion from
*_user() to *_iter() variants.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/sh/sh_dac_audio.c | 25 +++----------------------
1 file changed, 3 insertions(+), 22 deletions(-)
diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c
index 8cf571955c9d..95ba3abd4e47 100644
--- a/sound/sh/sh_dac_audio.c
+++ b/sound/sh/sh_dac_audio.c
@@ -158,12 +158,12 @@ static int snd_sh_dac_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
static int snd_sh_dac_pcm_copy(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
- void __user *src, unsigned long count)
+ struct iov_iter *src, unsigned long count)
{
/* channel is not used (interleaved data) */
struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);
- if (copy_from_user_toio(chip->data_buffer + pos, src, count))
+ if (copy_from_iter_toio(chip->data_buffer + pos, src, count))
return -EFAULT;
chip->buffer_end = chip->data_buffer + pos + count;
@@ -175,24 +175,6 @@ static int snd_sh_dac_pcm_copy(struct snd_pcm_substream *substream,
return 0;
}
-static int snd_sh_dac_pcm_copy_kernel(struct snd_pcm_substream *substream,
- int channel, unsigned long pos,
- void *src, unsigned long count)
-{
- /* channel is not used (interleaved data) */
- struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);
-
- memcpy_toio(chip->data_buffer + pos, src, count);
- chip->buffer_end = chip->data_buffer + pos + count;
-
- if (chip->empty) {
- chip->empty = 0;
- dac_audio_start_timer(chip);
- }
-
- return 0;
-}
-
static int snd_sh_dac_pcm_silence(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
unsigned long count)
@@ -227,8 +209,7 @@ static const struct snd_pcm_ops snd_sh_dac_pcm_ops = {
.prepare = snd_sh_dac_pcm_prepare,
.trigger = snd_sh_dac_pcm_trigger,
.pointer = snd_sh_dac_pcm_pointer,
- .copy_user = snd_sh_dac_pcm_copy,
- .copy_kernel = snd_sh_dac_pcm_copy_kernel,
+ .copy = snd_sh_dac_pcm_copy,
.fill_silence = snd_sh_dac_pcm_silence,
.mmap = snd_pcm_lib_mmap_iomem,
};
--
2.35.3
