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>

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;