ALSA: azt3328: _setfmt() update

- use a separate variable for the frequency part, don't always "or" it
- use a "clever"(?) macro to shorten the code

Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index 006f8c0..3a9a4a1 100644 (file)
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -958,28 +958,35 @@ snd_azf3328_codec_setfmt(struct snd_azf3328 *chip,
        unsigned long flags;
        const struct snd_azf3328_codec_data *codec = &chip->codecs[codec_type];
        u16 val = 0xff00;
+       u8 freq = 0;
 
        snd_azf3328_dbgcallenter();
        switch (bitrate) {
-       case AZF_FREQ_4000:  val |= SOUNDFORMAT_FREQ_SUSPECTED_4000; break;
-       case AZF_FREQ_4800:  val |= SOUNDFORMAT_FREQ_SUSPECTED_4800; break;
-       case AZF_FREQ_5512:
-               /* the AZF3328 names it "5510" for some strange reason */
-                            val |= SOUNDFORMAT_FREQ_5510; break;
-       case AZF_FREQ_6620:  val |= SOUNDFORMAT_FREQ_6620; break;
-       case AZF_FREQ_8000:  val |= SOUNDFORMAT_FREQ_8000; break;
-       case AZF_FREQ_9600:  val |= SOUNDFORMAT_FREQ_9600; break;
-       case AZF_FREQ_11025: val |= SOUNDFORMAT_FREQ_11025; break;
-       case AZF_FREQ_13240: val |= SOUNDFORMAT_FREQ_SUSPECTED_13240; break;
-       case AZF_FREQ_16000: val |= SOUNDFORMAT_FREQ_16000; break;
-       case AZF_FREQ_22050: val |= SOUNDFORMAT_FREQ_22050; break;
-       case AZF_FREQ_32000: val |= SOUNDFORMAT_FREQ_32000; break;
+#define AZF_FMT_XLATE(in_freq, out_bits) \
+       do { \
+               case AZF_FREQ_ ## in_freq: \
+                       freq = SOUNDFORMAT_FREQ_ ## out_bits; \
+                       break; \
+       } while (0);
+       AZF_FMT_XLATE(4000, SUSPECTED_4000)
+       AZF_FMT_XLATE(4800, SUSPECTED_4800)
+       /* the AZF3328 names it "5510" for some strange reason: */
+       AZF_FMT_XLATE(5512, 5510)
+       AZF_FMT_XLATE(6620, 6620)
+       AZF_FMT_XLATE(8000, 8000)
+       AZF_FMT_XLATE(9600, 9600)
+       AZF_FMT_XLATE(11025, 11025)
+       AZF_FMT_XLATE(13240, SUSPECTED_13240)
+       AZF_FMT_XLATE(16000, 16000)
+       AZF_FMT_XLATE(22050, 22050)
+       AZF_FMT_XLATE(32000, 32000)
        default:
                snd_printk(KERN_WARNING "unknown bitrate %d, assuming 44.1kHz!\n", bitrate);
                /* fall-through */
-       case AZF_FREQ_44100: val |= SOUNDFORMAT_FREQ_44100; break;
-       case AZF_FREQ_48000: val |= SOUNDFORMAT_FREQ_48000; break;
-       case AZF_FREQ_66200: val |= SOUNDFORMAT_FREQ_SUSPECTED_66200; break;
+       AZF_FMT_XLATE(44100, 44100)
+       AZF_FMT_XLATE(48000, 48000)
+       AZF_FMT_XLATE(66200, SUSPECTED_66200)
+#undef AZF_FMT_XLATE
        }
        /* val = 0xff07; 3m27.993s (65301Hz; -> 64000Hz???) hmm, 66120, 65967, 66123 */
        /* val = 0xff09; 17m15.098s (13123,478Hz; -> 12000Hz???) hmm, 13237.2Hz? */
@@ -991,6 +998,8 @@ snd_azf3328_codec_setfmt(struct snd_azf3328 *chip,
        /* val = 0xff0d; 41m23.135s (5523,600Hz; -> 5512Hz???) */
        /* val = 0xff0e; 28m30.777s (8017Hz; -> 8000Hz???) */
 
+       val |= freq;
+
        if (channels == 2)
                val |= SOUNDFORMAT_FLAG_2CHANNELS;