From: Wu Fengguang <fengguang.wu@intel.com>
Date: Mon, 24 Aug 2009 01:50:46 +0000 (+0800)
Subject: ALSA: hda: move open coded tricks into get_wcaps_channels()
X-Git-Tag: firefly_0821_release~11841^2~12^2~55
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fd72d008465d45db63d7f8931eea6a04e05916d6;p=firefly-linux-kernel-4.4.55.git

ALSA: hda: move open coded tricks into get_wcaps_channels()

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index fa57cb93b443..5f1dcc59002b 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -410,6 +410,16 @@ static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 /* get the widget type from widget capability bits */
 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
 
+static inline unsigned int get_wcaps_channels(u32 wcaps)
+{
+	unsigned int chans;
+
+	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
+	chans = ((chans << 1) | 1) + 1;
+
+	return chans;
+}
+
 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 			      unsigned int caps);
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index a721eb08a290..95f24e4729f8 100644
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -515,9 +515,7 @@ static void print_codec_info(struct snd_info_entry *entry,
 		snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 			    get_wid_type_name(wid_type), wid_caps);
 		if (wid_caps & AC_WCAP_STEREO) {
-			unsigned int chans;
-			chans = (wid_caps & AC_WCAP_CHAN_CNT_EXT) >> 13;
-			chans = ((chans << 1) | 1) + 1;
+			unsigned int chans = get_wcaps_channels(wid_caps);
 			if (chans == 2)
 				snd_iprintf(buffer, " Stereo");
 			else
diff --git a/sound/pci/hda/patch_atihdmi.c b/sound/pci/hda/patch_atihdmi.c
index 233e4778bba9..fb684f00156b 100644
--- a/sound/pci/hda/patch_atihdmi.c
+++ b/sound/pci/hda/patch_atihdmi.c
@@ -141,8 +141,7 @@ static int atihdmi_build_pcms(struct hda_codec *codec)
 	/* FIXME: we must check ELD and change the PCM parameters dynamically
 	 */
 	chans = get_wcaps(codec, CVT_NID);
-	chans = (chans & AC_WCAP_CHAN_CNT_EXT) >> 13;
-	chans = ((chans << 1) | 1) + 1;
+	chans = get_wcaps_channels(chans);
 	info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
 
 	return 0;