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ALSA: x86: Drop redundant had_stream_pvt

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The had_stream_pvt struct assigned to PCM runtime private data tracks
merely the stream running status, and the very same information is
carried by had_stream->stream_type.  Kill it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2017-02-01 22:03:26 +01:00
parent 0e9c67d7c8
commit fa5dfe6a01
3 changed files with 4 additions and 63 deletions
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46
sound/x86/intel_hdmi_audio.c
View File

@ -953,7 +953,6 @@ static int snd_intelhad_open(struct snd_pcm_substream *substream)
{
struct snd_intelhad *intelhaddata;
struct snd_pcm_runtime *runtime;
struct had_stream_pvt *stream;
struct had_stream_data *had_stream;
int retval;
@ -968,31 +967,16 @@ static int snd_intelhad_open(struct snd_pcm_substream *substream)
dev_dbg(intelhaddata->dev, "%s: HDMI cable plugged-out\n",
__func__);
retval = -ENODEV;
goto exit_put_handle;
}
/* Check, if device already in use */
if (runtime->private_data) {
dev_dbg(intelhaddata->dev, "Device already in use\n");
retval = -EBUSY;
goto exit_put_handle;
goto error;
}
/* set the runtime hw parameter with local snd_pcm_hardware struct */
runtime->hw = snd_intel_hadstream;
stream = kzalloc(sizeof(*stream), GFP_KERNEL);
if (!stream) {
retval = -ENOMEM;
goto exit_put_handle;
}
stream->stream_status = STREAM_INIT;
runtime->private_data = stream;
retval = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (retval < 0)
goto exit_err;
goto error;
/* Make sure, that the period size is always aligned
* 64byte boundary
@ -1002,15 +986,12 @@ static int snd_intelhad_open(struct snd_pcm_substream *substream)
if (retval < 0) {
dev_dbg(intelhaddata->dev, "%s:step_size=64 failed,err=%d\n",
__func__, retval);
goto exit_err;
goto error;
}
return retval;
exit_err:
kfree(stream);
exit_put_handle:
error:
pm_runtime_put(intelhaddata->dev);
runtime->private_data = NULL;
return retval;
}
@ -1020,16 +1001,8 @@ exit_put_handle:
*/
static void had_period_elapsed(struct snd_pcm_substream *substream)
{
struct had_stream_pvt *stream;
if (!substream || !substream->runtime)
return;
stream = substream->runtime->private_data;
if (!stream)
return;
if (stream->stream_status != STREAM_RUNNING)
return;
snd_pcm_period_elapsed(substream);
}
@ -1042,13 +1015,8 @@ static void had_period_elapsed(struct snd_pcm_substream *substream)
static int snd_intelhad_close(struct snd_pcm_substream *substream)
{
struct snd_intelhad *intelhaddata;
struct snd_pcm_runtime *runtime;
intelhaddata = snd_pcm_substream_chip(substream);
runtime = substream->runtime;
if (WARN_ON(!runtime->private_data))
return 0;
intelhaddata->stream_info.buffer_rendered = 0;
intelhaddata->stream_info.buffer_ptr = 0;
@ -1062,8 +1030,6 @@ static int snd_intelhad_close(struct snd_pcm_substream *substream)
"%s @ %d:DEBUG PLUG/UNPLUG : HAD_DRV_CONNECTED\n",
__func__, __LINE__);
}
kfree(runtime->private_data);
runtime->private_data = NULL;
pm_runtime_put(intelhaddata->dev);
return 0;
}
@ -1142,11 +1108,9 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream,
{
int retval = 0;
struct snd_intelhad *intelhaddata;
struct had_stream_pvt *stream;
struct had_stream_data *had_stream;
intelhaddata = snd_pcm_substream_chip(substream);
stream = substream->runtime->private_data;
had_stream = &intelhaddata->stream_data;
switch (cmd) {
@ -1158,7 +1122,6 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream,
retval = -ENODEV;
break;
}
stream->stream_status = STREAM_RUNNING;
had_stream->stream_type = HAD_RUNNING_STREAM;
@ -1182,7 +1145,6 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream,
/* Reset buffer pointers */
snd_intelhad_reset_audio(intelhaddata, 1);
snd_intelhad_reset_audio(intelhaddata, 0);
stream->stream_status = STREAM_DROPPED;
snd_intelhad_enable_audio_int(intelhaddata, false);
break;

6
sound/x86/intel_hdmi_audio.h
View File

@ -86,12 +86,6 @@ struct ring_buf_info {
u8 is_valid;
};
struct had_stream_pvt {
enum had_stream_status stream_status;
int stream_ops;
ssize_t dbg_cum_bytes;
};
struct had_stream_data {
enum had_status_stream stream_type;
};

15
sound/x86/intel_hdmi_lpe_audio.h
View File

@ -223,21 +223,6 @@ union otm_hdmi_eld_t {
} __packed;
};
/**
* enum had_status - Audio stream states
*
* @STREAM_INIT: Stream initialized
* @STREAM_RUNNING: Stream running
* @STREAM_PAUSED: Stream paused
* @STREAM_DROPPED: Stream dropped
*/
enum had_stream_status {
STREAM_INIT = 0,
STREAM_RUNNING = 1,
STREAM_PAUSED = 2,
STREAM_DROPPED = 3
};
/**
* enum had_status_stream - HAD stream states
*/