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ALSA: hda - Clean up redundant FG checks 

Just refactoring, no functional changes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-08-31 07:54:38 -07:00
parent 08fa20ae20
commit d819387ef7
1 changed files with 12 additions and 18 deletions
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30
sound/pci/hda/hda_codec.c
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@ -1222,7 +1222,7 @@ static void snd_hda_codec_free(struct hda_codec *codec)
static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec,
hda_nid_t fg, unsigned int power_state);
static unsigned int hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
static unsigned int hda_set_power_state(struct hda_codec *codec,
unsigned int power_state);
/**
@ -1239,6 +1239,7 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
{
struct hda_codec *codec;
char component[31];
hda_nid_t fg;
int err;
if (snd_BUG_ON(!bus))
@ -1315,7 +1316,8 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
goto error;
}
err = read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg);
fg = codec->afg ? codec->afg : codec->mfg;
err = read_widget_caps(codec, fg);
if (err < 0) {
snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
goto error;
@ -1325,27 +1327,22 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
goto error;
if (!codec->subsystem_id) {
hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
codec->subsystem_id =
snd_hda_codec_read(codec, nid, 0,
snd_hda_codec_read(codec, fg, 0,
AC_VERB_GET_SUBSYSTEM_ID, 0);
}
#ifdef CONFIG_PM
codec->d3_stop_clk = snd_hda_codec_get_supported_ps(codec,
codec->afg ? codec->afg : codec->mfg,
codec->d3_stop_clk = snd_hda_codec_get_supported_ps(codec, fg,
AC_PWRST_CLKSTOP);
if (!codec->d3_stop_clk)
bus->power_keep_link_on = 1;
#endif
codec->epss = snd_hda_codec_get_supported_ps(codec,
codec->afg ? codec->afg : codec->mfg,
codec->epss = snd_hda_codec_get_supported_ps(codec, fg,
AC_PWRST_EPSS);
/* power-up all before initialization */
hda_set_power_state(codec,
codec->afg ? codec->afg : codec->mfg,
AC_PWRST_D0);
hda_set_power_state(codec, AC_PWRST_D0);
snd_hda_codec_proc_new(codec);
@ -3566,9 +3563,10 @@ static unsigned int hda_sync_power_state(struct hda_codec *codec,
/*
* set power state of the codec, and return the power state
*/
static unsigned int hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
static unsigned int hda_set_power_state(struct hda_codec *codec,
unsigned int power_state)
{
hda_nid_t fg = codec->afg ? codec->afg : codec->mfg;
int count;
unsigned int state;
@ -3621,9 +3619,7 @@ static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
if (codec->patch_ops.suspend)
codec->patch_ops.suspend(codec);
hda_cleanup_all_streams(codec);
state = hda_set_power_state(codec,
codec->afg ? codec->afg : codec->mfg,
AC_PWRST_D3);
state = hda_set_power_state(codec, AC_PWRST_D3);
cancel_delayed_work(&codec->power_work);
spin_lock(&codec->power_lock);
snd_hda_update_power_acct(codec);
@ -3644,9 +3640,7 @@ static void hda_call_codec_resume(struct hda_codec *codec)
* in the resume / power-save sequence
*/
hda_keep_power_on(codec);
hda_set_power_state(codec,
codec->afg ? codec->afg : codec->mfg,
AC_PWRST_D0);
hda_set_power_state(codec, AC_PWRST_D0);
restore_pincfgs(codec); /* restore all current pin configs */
restore_shutup_pins(codec);
hda_exec_init_verbs(codec);