Replace the copy and the silence ops with the new merged ops. The conversion is straightforward with standard helper functions.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/rme9652/hdsp.c | 44 ++++++++++++++++++++------------------------ 1 file changed, 20 insertions(+), 24 deletions(-)
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index fc0face6cdc6..5325e91fc3a8 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -3913,8 +3913,10 @@ static char *hdsp_channel_buffer_location(struct hdsp *hdsp, return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES); }
-static int snd_hdsp_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_hdsp_playback_copy(struct snd_pcm_substream *substream, + int channel, snd_pcm_uframes_t pos, + void __user *src, snd_pcm_uframes_t count, + bool in_kernel) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; @@ -3925,13 +3927,19 @@ static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int chann channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_from_user(channel_buf + pos * 4, src, count * 4)) + if (!src) + memset(channel_buf + pos * 4, 0, count * 4); + else if (in_kernel) + memcpy(channel_buf + pos * 4, (void *)src, count * 4); + else if (copy_from_user(channel_buf + pos * 4, src, count * 4)) return -EFAULT; - return count; + return 0; }
-static int snd_hdsp_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_hdsp_capture_copy(struct snd_pcm_substream *substream, + int channel, snd_pcm_uframes_t pos, + void __user *dst, snd_pcm_uframes_t count, + bool in_kernel) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; @@ -3942,22 +3950,11 @@ static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channe channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); if (snd_BUG_ON(!channel_buf)) return -EIO; - if (copy_to_user(dst, channel_buf + pos * 4, count * 4)) + if (in_kernel) + memcpy((void *)dst, channel_buf + pos * 4, count * 4); + else if (copy_to_user(dst, channel_buf + pos * 4, count * 4)) return -EFAULT; - return count; -} - -static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, snd_pcm_uframes_t count) -{ - struct hdsp *hdsp = snd_pcm_substream_chip(substream); - char *channel_buf; - - channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); - if (snd_BUG_ON(!channel_buf)) - return -EIO; - memset(channel_buf + pos * 4, 0, count * 4); - return count; + return 0; }
static int snd_hdsp_reset(struct snd_pcm_substream *substream) @@ -4869,8 +4866,7 @@ static const struct snd_pcm_ops snd_hdsp_playback_ops = { .prepare = snd_hdsp_prepare, .trigger = snd_hdsp_trigger, .pointer = snd_hdsp_hw_pointer, - .copy = snd_hdsp_playback_copy, - .silence = snd_hdsp_hw_silence, + .copy_silence = snd_hdsp_playback_copy, };
static const struct snd_pcm_ops snd_hdsp_capture_ops = { @@ -4881,7 +4877,7 @@ static const struct snd_pcm_ops snd_hdsp_capture_ops = { .prepare = snd_hdsp_prepare, .trigger = snd_hdsp_trigger, .pointer = snd_hdsp_hw_pointer, - .copy = snd_hdsp_capture_copy, + .copy_silence = snd_hdsp_capture_copy, };
static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp)