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ALSA: wss_lib: snd_wss_calibrate_mute improvement

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Mute sound by setting mute bit without
setting volume to 0. It makes both source code
and binary shorter.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Krzysztof Helt 2008-08-17 22:38:27 +02:00 committed by Jaroslav Kysela
parent 9e44c6e40f
commit ace457c77b
1 changed files with 13 additions and 13 deletions
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26
sound/isa/wss/wss_lib.c
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@ -574,7 +574,7 @@ static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute)
{
unsigned long flags;
mute = mute ? 1 : 0;
mute = mute ? 0x80 : 0;
spin_lock_irqsave(&chip->reg_lock, flags);
if (chip->calibrate_mute == mute) {
spin_unlock_irqrestore(&chip->reg_lock, flags);
@ -589,34 +589,34 @@ static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute)
chip->image[CS4231_LOOPBACK]);
}
snd_wss_dout(chip, CS4231_AUX1_LEFT_INPUT,
mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]);
mute | chip->image[CS4231_AUX1_LEFT_INPUT]);
snd_wss_dout(chip, CS4231_AUX1_RIGHT_INPUT,
mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]);
mute | chip->image[CS4231_AUX1_RIGHT_INPUT]);
snd_wss_dout(chip, CS4231_AUX2_LEFT_INPUT,
mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]);
mute | chip->image[CS4231_AUX2_LEFT_INPUT]);
snd_wss_dout(chip, CS4231_AUX2_RIGHT_INPUT,
mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]);
mute | chip->image[CS4231_AUX2_RIGHT_INPUT]);
snd_wss_dout(chip, CS4231_LEFT_OUTPUT,
mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]);
mute | chip->image[CS4231_LEFT_OUTPUT]);
snd_wss_dout(chip, CS4231_RIGHT_OUTPUT,
mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]);
mute | chip->image[CS4231_RIGHT_OUTPUT]);
if (!(chip->hardware & WSS_HW_AD1848_MASK)) {
snd_wss_dout(chip, CS4231_LEFT_LINE_IN,
mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]);
mute | chip->image[CS4231_LEFT_LINE_IN]);
snd_wss_dout(chip, CS4231_RIGHT_LINE_IN,
mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]);
mute | chip->image[CS4231_RIGHT_LINE_IN]);
snd_wss_dout(chip, CS4231_MONO_CTRL,
mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]);
}
if (chip->hardware == WSS_HW_INTERWAVE) {
snd_wss_dout(chip, CS4231_LEFT_MIC_INPUT,
mute ? 0x80 : chip->image[CS4231_LEFT_MIC_INPUT]);
mute | chip->image[CS4231_LEFT_MIC_INPUT]);
snd_wss_dout(chip, CS4231_RIGHT_MIC_INPUT,
mute ? 0x80 : chip->image[CS4231_RIGHT_MIC_INPUT]);
mute | chip->image[CS4231_RIGHT_MIC_INPUT]);
snd_wss_dout(chip, CS4231_LINE_LEFT_OUTPUT,
mute ? 0x80 : chip->image[CS4231_LINE_LEFT_OUTPUT]);
mute | chip->image[CS4231_LINE_LEFT_OUTPUT]);
snd_wss_dout(chip, CS4231_LINE_RIGHT_OUTPUT,
mute ? 0x80 : chip->image[CS4231_LINE_RIGHT_OUTPUT]);
mute | chip->image[CS4231_LINE_RIGHT_OUTPUT]);
}
chip->calibrate_mute = mute;
spin_unlock_irqrestore(&chip->reg_lock, flags);