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From: Thomas Ebeling <penguins@bollie.de>
To: alsa-devel@alsa-project.org
Cc: tiwai@suse.com
Subject: [PATCH] ALSA: fixing upper volume limit for RME Babyface Pro routing crosspoints.
Date: Fri, 15 May 2020 13:46:05 +0200
Message-ID: <20200515114556.vtspnonzvp4xp44m@bollie.ca9.eu> (raw)

In my initial patch, these were set too low.

Signed-off-by: Thomas Ebeling <penguins@bollie.de>
---
 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
-- 
2.26.2


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Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-15 11:46 Thomas Ebeling [this message]
2020-05-15 15:08 ` Takashi Iwai

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