From fd72d008465d45db63d7f8931eea6a04e05916d6 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Mon, 24 Aug 2009 09:50:46 +0800
Subject: [PATCH] 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>
---
sound/pci/hda/hda_local.h | 10 ++++++++++
sound/pci/hda/hda_proc.c | 4 +---
sound/pci/hda/patch_atihdmi.c | 3 +--
3 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index fa57cb93b4431..5f1dcc59002b4 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 a721eb08a290e..95f24e4729f83 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 233e4778bba9d..fb684f00156b2 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;
--
2.30.2