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ALSA: atmel/ac97c: using software reset instead hardware reset if not available 

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Bo Shen 2011-12-19 17:57:52 +08:00 committed by Takashi Iwai
parent 844ec3142a
commit 8015e3defe
1 changed files with 4 additions and 0 deletions
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4
sound/atmel/ac97c.c
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@ -899,6 +899,10 @@ static void atmel_ac97c_reset(struct atmel_ac97c *chip)
/* AC97 v2.2 specifications says minimum 1 us. */
udelay(2);
gpio_set_value(chip->reset_pin, 1);
} else {
ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
udelay(2);
ac97c_writel(chip, MR, AC97C_MR_ENA);
}
}