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authorTakashi Iwai <tiwai@suse.de>2017-02-07 15:53:42 +0300
committerTakashi Iwai <tiwai@suse.de>2017-02-10 12:21:47 +0300
commit3fe2cf7eb21ada0a9683b26c1ae309e7f5e90131 (patch)
treececb8e29b0dfc6e5c7fe3db90e3b817dd23c4156
parent85bd8748ca23a25f6dc56154d9a61d87ae07a807 (diff)
downloadlinux-3fe2cf7eb21ada0a9683b26c1ae309e7f5e90131.tar.xz
ALSA: x86: Support S16 format
Now we support S16 PCM format in addition. For this, we need to set packet_mode=1 in AUD_CONFIG register. Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/x86/intel_hdmi_audio.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index e8f8be2f590b..c0a080e5d1f4 100644
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -135,7 +135,8 @@ static const struct snd_pcm_hardware had_pcm_hardware = {
SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
- .formats = (SNDRV_PCM_FMTBIT_S24_LE |
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S32_LE),
.rates = SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_44100 |
@@ -290,12 +291,10 @@ static int had_prog_status_reg(struct snd_pcm_substream *substream,
AUD_CH_STATUS_0, ch_stat0.regval);
switch (substream->runtime->format) {
-#if 0 /* FIXME: not supported yet */
case SNDRV_PCM_FORMAT_S16_LE:
ch_stat1.regx.max_wrd_len = MAX_SMPL_WIDTH_20;
ch_stat1.regx.wrd_len = SMPL_WIDTH_16BITS;
break;
-#endif
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S32_LE:
ch_stat1.regx.max_wrd_len = MAX_SMPL_WIDTH_24;
@@ -336,6 +335,9 @@ static int had_init_audio_ctrl(struct snd_pcm_substream *substream,
else
cfg_val.regx.layout = LAYOUT1;
+ if (substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE)
+ cfg_val.regx.packet_mode = 1;
+
if (substream->runtime->format == SNDRV_PCM_FORMAT_S32_LE)
cfg_val.regx.left_align = 1;