ALSA: x86: Drop unused hw_silence field

It's nowhere used.  Let's drop it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index e086911..efc5654 100644 (file)
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -1696,7 +1696,6 @@ int hdmi_audio_probe(struct platform_device *devptr,
        pm_runtime_set_active(intelhaddata->dev);
        pm_runtime_enable(intelhaddata->dev);
 
-       intelhaddata->hw_silence = 1;
        *had_ret = intelhaddata;
 
        return 0;

diff --git a/sound/x86/intel_hdmi_audio.h b/sound/x86/intel_hdmi_audio.h
index da0a927..32a2fb7 100644 (file)
--- a/sound/x86/intel_hdmi_audio.h
+++ b/sound/x86/intel_hdmi_audio.h
@@ -118,7 +118,6 @@ struct had_pvt_data {
  * @kctl: holds kctl ptrs used for channel map
  * @chmap: holds channel map info
  * @audio_reg_base: hdmi audio register base offset
- * @hw_silence: flag indicates SoC support for HW silence/Keep alive
  * @underrun_count: PCM stream underrun counter
  */
 struct snd_intelhad {
@@ -142,7 +141,6 @@ struct snd_intelhad {
        struct snd_pcm_chmap *chmap;
        unsigned int    *audio_reg_base;
        unsigned int    audio_cfg_offset;
-       bool            hw_silence;
        int underrun_count;
 };