[2.6 PATCH] front buttons wouldn't mute ESS Maestro

[Samuel Thibault]

Hi,

Here is a small fix to enable muting ESS Maestro sound card thanks to
the up/down buttons: when has reached the driver's minimum (! this is
something like -dB value), just mute.
(It was working in OSS driver, but not in ALSA)

--- linux-2.6.7-orig/sound/pci/es1968.c	2004-07-25 00:06:20.000000000 +0200
+++ linux/sound/pci/es1968.c	2004-07-25 00:29:54.000000000 +0200
@@ -1990,6 +1990,8 @@
 			if ((val & 0xff00) < 0x1f00)
 				val += 0x0100;
 		}
+		if (val == 0x1f1f)
+			val |= 0x8000;
 		snd_ac97_write_cache(chip->ac97, AC97_MASTER, val);
 		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 			       &chip->master_volume->id);


Regards,
Samuel
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