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Diffstat (limited to 'sound/usb/format.c')
-rw-r--r--sound/usb/format.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/sound/usb/format.c b/sound/usb/format.c
index 6049d957694c..0ee532acbb60 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -85,6 +85,7 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
}
fp->fmt_bits = sample_width;
+ fp->fmt_sz = sample_bytes;
if ((pcm_formats == 0) &&
(format == 0 || format == BIT(UAC_FORMAT_TYPE_I_UNDEFINED))) {
@@ -260,7 +261,8 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof
}
/* Jabra Evolve 65 headset */
- if (chip->usb_id == USB_ID(0x0b0e, 0x030b)) {
+ if (chip->usb_id == USB_ID(0x0b0e, 0x030b) ||
+ chip->usb_id == USB_ID(0x0b0e, 0x030c)) {
/* only 48kHz for playback while keeping 16kHz for capture */
if (fp->nr_rates != 1)
return set_fixed_rate(fp, 48000, SNDRV_PCM_RATE_48000);
@@ -308,16 +310,14 @@ static bool focusrite_valid_sample_rate(struct snd_usb_audio *chip,
struct audioformat *fp,
unsigned int rate)
{
- struct usb_interface *iface;
struct usb_host_interface *alts;
unsigned char *fmt;
unsigned int max_rate;
- iface = usb_ifnum_to_if(chip->dev, fp->iface);
- if (!iface)
+ alts = snd_usb_get_host_interface(chip, fp->iface, fp->altsetting);
+ if (!alts)
return true;
- alts = &iface->altsetting[fp->altset_idx];
fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen,
NULL, UAC_FORMAT_TYPE);
if (!fmt)
@@ -326,20 +326,20 @@ static bool focusrite_valid_sample_rate(struct snd_usb_audio *chip,
if (fmt[0] == 10) { /* bLength */
max_rate = combine_quad(&fmt[6]);
- /* Validate max rate */
- if (max_rate != 48000 &&
- max_rate != 96000 &&
- max_rate != 192000 &&
- max_rate != 384000) {
-
+ switch (max_rate) {
+ case 48000:
+ return (rate == 44100 || rate == 48000);
+ case 96000:
+ return (rate == 88200 || rate == 96000);
+ case 192000:
+ return (rate == 176400 || rate == 192000);
+ default:
usb_audio_info(chip,
"%u:%d : unexpected max rate: %u\n",
fp->iface, fp->altsetting, max_rate);
return true;
}
-
- return rate <= max_rate;
}
return true;
@@ -384,6 +384,10 @@ static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip,
if (chip->usb_id == USB_ID(0x194f, 0x010c) &&
!s1810c_valid_sample_rate(fp, rate))
goto skip_rate;
+ /* Filter out invalid rates on Presonus Studio 1824c */
+ if (chip->usb_id == USB_ID(0x194f, 0x010d) &&
+ !s1810c_valid_sample_rate(fp, rate))
+ goto skip_rate;
/* Filter out invalid rates on Focusrite devices */
if (USB_ID_VENDOR(chip->usb_id) == 0x1235 &&