diff options
| author | Adrian Knoth <adi@drcomp.erfurt.thur.de> | 2013-07-05 13:28:17 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-07-05 16:52:57 +0400 |
| commit | 2336142fc0470db2ac831225936b8e37b3ecb2bd (patch) | |
| tree | b0715bfee5dfba29cbf3c873eadcacb105ae5a5c /sound/pci/rme9652 | |
| parent | 194062daba00688dfd47caaf01f3131700cd726f (diff) | |
| download | linux-2336142fc0470db2ac831225936b8e37b3ecb2bd.tar.xz | |
ALSA: hdspm - Introduce hdspm_external_rate_to_enum() helper function
This patch refactors the code to query the external sample rate and its
translation into the corresponding enum into a helper function to
prevent future code duplication.
A later commit will make use of this new helper function.
Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/rme9652')
| -rw-r--r-- | sound/pci/rme9652/hdspm.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index f6e922cf3fd3..26f10fdbfcd6 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -2303,6 +2303,21 @@ static void snd_hdspm_set_infotext(struct snd_ctl_elem_info *uinfo, snd_hdspm_set_infotext(info, texts, ARRAY_SIZE(texts)) +/* Helper function to query the external sample rate and return the + * corresponding enum to be returned to userspace. + */ +static int hdspm_external_rate_to_enum(struct hdspm *hdspm) +{ + int rate = hdspm_external_sample_rate(hdspm); + int i, selected_rate = 0; + for (i = 1; i < 10; i++) + if (HDSPM_bit2freq(i) == rate) { + selected_rate = i; + break; + } + return selected_rate; +} + #define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ @@ -2396,18 +2411,9 @@ static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol, case MADI: case MADIface: - { - int rate = hdspm_external_sample_rate(hdspm); - int i, selected_rate = 0; - for (i = 1; i < 10; i++) - if (HDSPM_bit2freq(i) == rate) { - selected_rate = i; - break; - } - ucontrol->value.enumerated.item[0] = selected_rate; - } + ucontrol->value.enumerated.item[0] = + hdspm_external_rate_to_enum(hdspm); break; - default: break; } |