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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-03-13 21:44:51 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-03-13 21:44:51 +0000
commit97fb44eb6bc01f4ffed4300e475aa15e44877375 (patch)
tree481ed6efd0babe7185cae04f2fd295426b36411d /sound/usb/usbaudio.c
parente4707dd3e9d0cb57597b6568a5e51fea5d6fca41 (diff)
parent148854c65ea8046b045672fd49f4333aefaa3ab5 (diff)
Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel
Conflicts: arch/arm/mach-at91/gpio.c
Diffstat (limited to 'sound/usb/usbaudio.c')
-rw-r--r--sound/usb/usbaudio.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 2ab83129d9b..19e37451c21 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2524,7 +2524,6 @@ static int parse_audio_format_rates(struct snd_usb_audio *chip, struct audioform
* build the rate table and bitmap flags
*/
int r, idx;
- unsigned int nonzero_rates = 0;
fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL);
if (fp->rate_table == NULL) {
@@ -2532,24 +2531,27 @@ static int parse_audio_format_rates(struct snd_usb_audio *chip, struct audioform
return -1;
}
- fp->nr_rates = nr_rates;
- fp->rate_min = fp->rate_max = combine_triple(&fmt[8]);
+ fp->nr_rates = 0;
+ fp->rate_min = fp->rate_max = 0;
for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) {
unsigned int rate = combine_triple(&fmt[idx]);
+ if (!rate)
+ continue;
/* C-Media CM6501 mislabels its 96 kHz altsetting */
if (rate == 48000 && nr_rates == 1 &&
- chip->usb_id == USB_ID(0x0d8c, 0x0201) &&
+ (chip->usb_id == USB_ID(0x0d8c, 0x0201) ||
+ chip->usb_id == USB_ID(0x0d8c, 0x0102)) &&
fp->altsetting == 5 && fp->maxpacksize == 392)
rate = 96000;
- fp->rate_table[r] = rate;
- nonzero_rates |= rate;
- if (rate < fp->rate_min)
+ fp->rate_table[fp->nr_rates] = rate;
+ if (!fp->rate_min || rate < fp->rate_min)
fp->rate_min = rate;
- else if (rate > fp->rate_max)
+ if (!fp->rate_max || rate > fp->rate_max)
fp->rate_max = rate;
fp->rates |= snd_pcm_rate_to_rate_bit(rate);
+ fp->nr_rates++;
}
- if (!nonzero_rates) {
+ if (!fp->nr_rates) {
hwc_debug("All rates were zero. Skipping format!\n");
return -1;
}