[PATCH AUTOSEL 5.7 209/388] ALSA: usb-audio: fixing upper volume limit for RME Babyface Pro routing crosspoints

Sasha Levin
2020-06-18T02:40:39Z

From: Thomas Ebeling <penguins@bollie.de>

[ Upstream commit 47b4f5f5b65680fbef7a7a9a4796b35f38a6e43e ]

In my initial patch, these were set too low.

Fixes: 3e8f3bd04716 ("ALSA: usb-audio: RME Babyface Pro mixer patch")
Signed-off-by: Thomas Ebeling <penguins@bollie.de>
Link: https://lore.kernel.org/r/20200515114556.vtspnonzvp4xp44m@bollie.ca9.eu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/usb/mixer_quirks.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index bdff8674942e..aad2683ff793 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -2191,7 +2191,7 @@ static int snd_rme_controls_create(struct usb_mixer_interface *mixer)
* These devices exposes a couple of DSP functions via request to EP0.
* Switches are available via control registers, while routing is controlled
* by controlling the volume on each possible crossing point.
- * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 46341) with
+ * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 65536) with
* 0dB being at dec. 32768.
*/
enum {
@@ -2220,7 +2220,7 @@ enum {
#define SND_BBFPRO_MIXER_VAL_MASK 0x3ffff
#define SND_BBFPRO_MIXER_VAL_SHIFT 9
#define SND_BBFPRO_MIXER_VAL_MIN 0 // -inf
-#define SND_BBFPRO_MIXER_VAL_MAX 46341 // +6dB
+#define SND_BBFPRO_MIXER_VAL_MAX 65536 // +6dB

#define SND_BBFPRO_USBREQ_CTL_REG1 0x10
#define SND_BBFPRO_USBREQ_CTL_REG2 0x17
--
2.25.1