]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
ASoC: cs4271: Increase delay time after reset
authorPascal Huerst <pascal.huerst@gmail.com>
Thu, 2 Apr 2015 08:17:40 +0000 (10:17 +0200)
committerZefan Li <lizefan@huawei.com>
Fri, 18 Sep 2015 01:20:27 +0000 (09:20 +0800)
commit 74ff960222d90999508b4ba0d3449f796695b6d5 upstream.

The delay time after a reset in the codec probe callback was too short,
and did not work on certain hw because the codec needs more time to
power on. This increases the delay time from 1us to 1ms.

Signed-off-by: Pascal Huerst <pascal.huerst@gmail.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lizefan@huawei.com>
sound/soc/codecs/cs4271.c

index f9e2bdaf91f118d8cb5cee5466d9651e59852f28..54059324d9426f3aeb0500727d43a3ff76e5411f 100644 (file)
@@ -475,10 +475,10 @@ static int cs4271_probe(struct snd_soc_codec *codec)
        if (gpio_nreset >= 0) {
                /* Reset codec */
                gpio_direction_output(gpio_nreset, 0);
-               udelay(1);
+               mdelay(1);
                gpio_set_value(gpio_nreset, 1);
                /* Give the codec time to wake up */
-               udelay(1);
+               mdelay(1);
        }
 
        cs4271->gpio_nreset = gpio_nreset;