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authorTakashi Iwai <tiwai@suse.de>2017-05-10 20:31:41 +0200
committerTakashi Iwai <tiwai@suse.de>2017-06-02 19:38:00 +0200
commit7b6ae34da6302ea1b64b45c957c1a323e1fb2e08 (patch)
tree07206460aeb24c44bbda2cec3d0abb2ae5cd8f0e /sound/pci/rme9652
parentALSA: rme96: Convert to the new PCM ops (diff)
downloadlinux-7b6ae34da6302ea1b64b45c957c1a323e1fb2e08.tar.xz
linux-7b6ae34da6302ea1b64b45c957c1a323e1fb2e08.zip
ALSA: rme9652: Convert to the new PCM ops
Replace the copy and the silence ops with the new PCM ops. The conversion is straightforward with standard helper functions. Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/rme9652')
-rw-r--r--sound/pci/rme9652/rme9652.c71
1 files changed, 54 insertions, 17 deletions
diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c
index 55172c689991..59684bf5cac0 100644
--- a/sound/pci/rme9652/rme9652.c
+++ b/sound/pci/rme9652/rme9652.c
@@ -1883,13 +1883,14 @@ static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652,
}
}
-static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int channel,
- snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
+static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void __user *src, unsigned long count)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
char *channel_buf;
- if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4))
+ if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES))
return -EINVAL;
channel_buf = rme9652_channel_buffer_location (rme9652,
@@ -1897,18 +1898,35 @@ static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int ch
channel);
if (snd_BUG_ON(!channel_buf))
return -EIO;
- if (copy_from_user(channel_buf + pos * 4, src, count * 4))
+ if (copy_from_user(channel_buf + pos, src, count))
return -EFAULT;
- return count;
+ return 0;
}
-static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int channel,
- snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
+static int snd_rme9652_playback_copy_kernel(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void *src, unsigned long count)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
char *channel_buf;
- if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4))
+ channel_buf = rme9652_channel_buffer_location(rme9652,
+ substream->pstr->stream,
+ channel);
+ if (snd_BUG_ON(!channel_buf))
+ return -EIO;
+ memcpy(channel_buf + pos, src, count);
+ return 0;
+}
+
+static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void __user *dst, unsigned long count)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ char *channel_buf;
+
+ if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES))
return -EINVAL;
channel_buf = rme9652_channel_buffer_location (rme9652,
@@ -1916,13 +1934,30 @@ static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int cha
channel);
if (snd_BUG_ON(!channel_buf))
return -EIO;
- if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
+ if (copy_to_user(dst, channel_buf + pos, count))
return -EFAULT;
- return count;
+ return 0;
}
-static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int channel,
- snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
+static int snd_rme9652_capture_copy_kernel(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ void *dst, unsigned long count)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ char *channel_buf;
+
+ channel_buf = rme9652_channel_buffer_location(rme9652,
+ substream->pstr->stream,
+ channel);
+ if (snd_BUG_ON(!channel_buf))
+ return -EIO;
+ memcpy(dst, channel_buf + pos, count);
+ return 0;
+}
+
+static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ unsigned long count)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
char *channel_buf;
@@ -1932,8 +1967,8 @@ static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int chann
channel);
if (snd_BUG_ON(!channel_buf))
return -EIO;
- memset(channel_buf + pos * 4, 0, count * 4);
- return count;
+ memset(channel_buf + pos, 0, count);
+ return 0;
}
static int snd_rme9652_reset(struct snd_pcm_substream *substream)
@@ -2376,8 +2411,9 @@ static const struct snd_pcm_ops snd_rme9652_playback_ops = {
.prepare = snd_rme9652_prepare,
.trigger = snd_rme9652_trigger,
.pointer = snd_rme9652_hw_pointer,
- .copy = snd_rme9652_playback_copy,
- .silence = snd_rme9652_hw_silence,
+ .copy_user = snd_rme9652_playback_copy,
+ .copy_kernel = snd_rme9652_playback_copy_kernel,
+ .fill_silence = snd_rme9652_hw_silence,
};
static const struct snd_pcm_ops snd_rme9652_capture_ops = {
@@ -2388,7 +2424,8 @@ static const struct snd_pcm_ops snd_rme9652_capture_ops = {
.prepare = snd_rme9652_prepare,
.trigger = snd_rme9652_trigger,
.pointer = snd_rme9652_hw_pointer,
- .copy = snd_rme9652_capture_copy,
+ .copy_user = snd_rme9652_capture_copy,
+ .copy_kernel = snd_rme9652_capture_copy_kernel,
};
static int snd_rme9652_create_pcm(struct snd_card *card,