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authorTakashi Iwai <tiwai@suse.de>2017-02-01 22:25:58 +0100
committerTakashi Iwai <tiwai@suse.de>2017-02-03 17:35:56 +0100
commit7d9e79869ba2a8a552f4c2cf1df44cf9a0822f02 (patch)
tree443c0c8f7a7deec8022ff19778706f5615071d58 /sound/x86/intel_hdmi_audio.c
parentALSA: x86: Drop redundant had_stream_pvt (diff)
downloadlinux-7d9e79869ba2a8a552f4c2cf1df44cf9a0822f02.tar.xz
linux-7d9e79869ba2a8a552f4c2cf1df44cf9a0822f02.zip
ALSA: x86: Drop unused fields from pcm_stream_info
The struct pcm_stream_info contains a few unused or useless fields. str_id is always zero, buffer_ptr is volatile, never read, and sfreq is nowhere referred. Kill them. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/x86/intel_hdmi_audio.c')
-rw-r--r--sound/x86/intel_hdmi_audio.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index 88e9a91f28a0..907e420cd90d 100644
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -1019,8 +1019,6 @@ static int snd_intelhad_close(struct snd_pcm_substream *substream)
intelhaddata = snd_pcm_substream_chip(substream);
intelhaddata->stream_info.buffer_rendered = 0;
- intelhaddata->stream_info.buffer_ptr = 0;
- intelhaddata->stream_info.str_id = 0;
intelhaddata->stream_info.had_substream = NULL;
/* Check if following drv_status modification is required - VA */
@@ -1132,7 +1130,6 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_STOP:
spin_lock(&intelhaddata->had_spinlock);
- intelhaddata->stream_info.str_id = 0;
intelhaddata->curr_buf = 0;
/* Stop reporting BUFFER_DONE/UNDERRUN to above layers */
@@ -1188,19 +1185,8 @@ static int snd_intelhad_pcm_prepare(struct snd_pcm_substream *substream)
dev_dbg(intelhaddata->dev, "rate=%d\n", runtime->rate);
dev_dbg(intelhaddata->dev, "channels=%d\n", runtime->channels);
- if (intelhaddata->stream_info.str_id) {
- dev_dbg(intelhaddata->dev,
- "_prepare is called for existing str_id#%d\n",
- intelhaddata->stream_info.str_id);
- retval = snd_intelhad_pcm_trigger(substream,
- SNDRV_PCM_TRIGGER_STOP);
- return retval;
- }
-
intelhaddata->stream_info.had_substream = substream;
- intelhaddata->stream_info.buffer_ptr = 0;
intelhaddata->stream_info.buffer_rendered = 0;
- intelhaddata->stream_info.sfreq = substream->runtime->rate;
/* Get N value in KHz */
disp_samp_freq = intelhaddata->tmds_clock_speed;
@@ -1292,10 +1278,7 @@ static snd_pcm_uframes_t snd_intelhad_pcm_pointer(
intelhaddata->stream_info.ring_buf_size,
&(bytes_rendered));
- intelhaddata->stream_info.buffer_ptr = bytes_to_frames(
- substream->runtime,
- bytes_rendered + t);
- return intelhaddata->stream_info.buffer_ptr;
+ return bytes_to_frames(substream->runtime, bytes_rendered + t);
}
/*