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ALSA: azt3328: _setfmt() update

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- 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>
This commit is contained in:
Andreas Mohr 2010-12-27 21:16:49 +01:00 committed by Takashi Iwai
parent adf5931f8c
commit 8d9a114e6d
1 changed files with 25 additions and 16 deletions
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41
sound/pci/azt3328.c
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@ -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;