ALSA: hdspm - Introduce hdspm_is_raydat_or_aio()

RME RayDAT and AIO cards are new designs with different register
settings. Since we need to distinguish them from older cards multiple
times in the driver, refactor the code into a separate helper function.

No functional change intended.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index a0fc961..32a87dc 100644 (file)
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -1011,6 +1011,12 @@ static inline int HDSPM_bit2freq(int n)
        return bit2freq_tab[n];
 }
 
+static bool hdspm_is_raydat_or_aio(struct hdspm *hdspm)
+{
+       return ((AIO == hdspm->io_type) || (RayDAT == hdspm->io_type));
+}
+
+
 /* Write/read to/from HDSPM with Adresses in Bytes
    not words but only 32Bit writes are allowed */
 
@@ -5142,9 +5148,8 @@ static int snd_hdspm_set_defaults(struct hdspm * hdspm)
 
        all_in_all_mixer(hdspm, 0 * UNITY_GAIN);
 
-       if (hdspm->io_type == AIO || hdspm->io_type == RayDAT) {
+       if (hdspm_is_raydat_or_aio(hdspm))
                hdspm_write(hdspm, HDSPM_WR_SETTINGS, hdspm->settings_register);
-       }
 
        /* set a default rate so that the channel map is set up. */
        hdspm_set_rate(hdspm, 48000, 1);