This is a note to let you know that I've just added the patch titled
ALSA: scarlett2: Fix Scarlett 4th Gen 4i4 low-voltage detection
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-scarlett2-fix-scarlett-4th-gen-4i4-low-voltage-.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 710cd8c9f07844eff3148636befc89524044e143
Author: Geoffrey D. Bennett <g@xxxxx>
Date: Sun Mar 10 21:04:27 2024 +1030
ALSA: scarlett2: Fix Scarlett 4th Gen 4i4 low-voltage detection
[ Upstream commit 6ef1f08b53fdb6f5f00f17f85a60b3247d77fa54 ]
The value currently being read to determine the low-voltage state is
actually the front panel state. Fix the code to use the correct offset
for the low-voltage state.
Signed-off-by: Geoffrey D. Bennett <g@xxxxx>
Fixes: d7cfa2fdfc8a ("ALSA: scarlett2: Add power status control")
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Message-ID: <d97b7d87f43b0e54f37e1552394be2f3ae182704.1710047969.git.g@xxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c
index 6de605a601e5f..bce69a78c5052 100644
--- a/sound/usb/mixer_scarlett2.c
+++ b/sound/usb/mixer_scarlett2.c
@@ -415,7 +415,7 @@ enum {
SCARLETT2_CONFIG_INPUT_SELECT_SWITCH,
SCARLETT2_CONFIG_INPUT_LINK_SWITCH,
SCARLETT2_CONFIG_POWER_EXT,
- SCARLETT2_CONFIG_POWER_STATUS,
+ SCARLETT2_CONFIG_POWER_LOW,
SCARLETT2_CONFIG_PCM_INPUT_SWITCH,
SCARLETT2_CONFIG_DIRECT_MONITOR_GAIN,
SCARLETT2_CONFIG_COUNT
@@ -723,8 +723,8 @@ static const struct scarlett2_config_set scarlett2_config_set_gen4_4i4 = {
[SCARLETT2_CONFIG_POWER_EXT] = {
.offset = 0x168 },
- [SCARLETT2_CONFIG_POWER_STATUS] = {
- .offset = 0x66 }
+ [SCARLETT2_CONFIG_POWER_LOW] = {
+ .offset = 0x16d }
}
};
@@ -6294,8 +6294,7 @@ static int scarlett2_update_power_status(struct usb_mixer_interface *mixer)
{
struct scarlett2_data *private = mixer->private_data;
int err;
- u8 power_ext;
- u8 power_status;
+ u8 power_ext, power_low;
private->power_status_updated = 0;
@@ -6304,12 +6303,12 @@ static int scarlett2_update_power_status(struct usb_mixer_interface *mixer)
if (err < 0)
return err;
- err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_POWER_STATUS,
- 1, &power_status);
+ err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_POWER_LOW,
+ 1, &power_low);
if (err < 0)
return err;
- if (power_status > 1)
+ if (power_low)
private->power_status = SCARLETT2_POWER_STATUS_FAIL;
else if (power_ext)
private->power_status = SCARLETT2_POWER_STATUS_EXT;
