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authorTakashi Iwai2022-04-13 10:49:39 +0200
committerTakashi Iwai2022-04-13 10:49:49 +0200
commitfaf5933c79545412ea63f0c3d15c261d104e1dde (patch)
tree078b01613e5a52810eff3e8e1fd857ad08935262 /sound/usb
parent651a88798412e216f337d70181127e847f00a4b7 (diff)
parent24d0c9f0e7de95fe3e3e0067cbea1cd5d413244b (diff)
Merge branch 'for-linus' into for-next
Back-merge the 5.18-rc3 devel branch, as it influences on the further development. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/pcm.c16
-rw-r--r--sound/usb/usbaudio.h2
2 files changed, 15 insertions, 3 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index cec6e91afea2..6d699065e81a 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -669,9 +669,9 @@ static const struct snd_pcm_hardware snd_usb_hardware =
SNDRV_PCM_INFO_PAUSE,
.channels_min = 1,
.channels_max = 256,
- .buffer_bytes_max = 1024 * 1024,
+ .buffer_bytes_max = INT_MAX, /* limited by BUFFER_TIME later */
.period_bytes_min = 64,
- .period_bytes_max = 512 * 1024,
+ .period_bytes_max = INT_MAX, /* limited by PERIOD_TIME later */
.periods_min = 2,
.periods_max = 1024,
};
@@ -1064,6 +1064,18 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
return err;
}
+ /* set max period and buffer sizes for 1 and 2 seconds, respectively */
+ err = snd_pcm_hw_constraint_minmax(runtime,
+ SNDRV_PCM_HW_PARAM_PERIOD_TIME,
+ 0, 1000000);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_constraint_minmax(runtime,
+ SNDRV_PCM_HW_PARAM_BUFFER_TIME,
+ 0, 2000000);
+ if (err < 0)
+ return err;
+
/* additional hw constraints for implicit fb */
err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT,
hw_rule_format_implicit_fb, subs,
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 167834133b9b..b8359a0aa008 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -8,7 +8,7 @@
*/
/* handling of USB vendor/product ID pairs as 32-bit numbers */
-#define USB_ID(vendor, product) (((vendor) << 16) | (product))
+#define USB_ID(vendor, product) (((unsigned int)(vendor) << 16) | (product))
#define USB_ID_VENDOR(id) ((id) >> 16)
#define USB_ID_PRODUCT(id) ((u16)(id))