From: "Li, ZhenHua" <zhen-hual@hp.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: [PATCH 1/1] driver/snd: es18xx driver should use udelay error
Date: Mon, 14 Apr 2014 18:10:30 +0800 [thread overview]
Message-ID: <534BB416.1070704@hp.com> (raw)
In-Reply-To: <s5hioqcmeek.wl%tiwai@suse.de>
Hi Takashi,
Thanks for reviewing.
Zhenhua
On 04/14/2014 05:46 PM, Takashi Iwai wrote:
> At Mon, 14 Apr 2014 17:41:32 +0800,
> Li, Zhen-Hua wrote:
>> From: "Li, Zhen-Hua" <zhen-hual@hp.com>
>>
>> udelay with more than 20000 may cause __bad_udelay.
>> Use mdelay for instead.
>>
>> Signed-off-by: Li, Zhen-Hua <zhen-hual@hp.com>
> Thanks, applied.
>
>
> Takashi
>
>> ---
>> sound/isa/es18xx.c | 10 +++++-----
>> 1 file changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
>> index 1c16830..8d3a3b6 100644
>> --- a/sound/isa/es18xx.c
>> +++ b/sound/isa/es18xx.c
>> @@ -520,7 +520,7 @@ static int snd_es18xx_playback1_trigger(struct snd_es18xx *chip,
>> snd_es18xx_mixer_write(chip, 0x78, 0x93);
>> #ifdef AVOID_POPS
>> /* Avoid pops */
>> - udelay(100000);
>> + mudelay(100);
>> if (chip->caps & ES18XX_PCM2)
>> /* Restore Audio 2 volume */
>> snd_es18xx_mixer_write(chip, 0x7C, chip->audio2_vol);
>> @@ -537,7 +537,7 @@ static int snd_es18xx_playback1_trigger(struct snd_es18xx *chip,
>> /* Stop DMA */
>> snd_es18xx_mixer_write(chip, 0x78, 0x00);
>> #ifdef AVOID_POPS
>> - udelay(25000);
>> + mdelay(25);
>> if (chip->caps & ES18XX_PCM2)
>> /* Set Audio 2 volume to 0 */
>> snd_es18xx_mixer_write(chip, 0x7C, 0);
>> @@ -596,7 +596,7 @@ static int snd_es18xx_capture_prepare(struct snd_pcm_substream *substream)
>> snd_es18xx_write(chip, 0xA5, count >> 8);
>>
>> #ifdef AVOID_POPS
>> - udelay(100000);
>> + mdelay(100);
>> #endif
>>
>> /* Set format */
>> @@ -691,7 +691,7 @@ static int snd_es18xx_playback2_trigger(struct snd_es18xx *chip,
>> snd_es18xx_write(chip, 0xB8, 0x05);
>> #ifdef AVOID_POPS
>> /* Avoid pops */
>> - udelay(100000);
>> + mdelay(100);
>> /* Enable Audio 1 */
>> snd_es18xx_dsp_command(chip, 0xD1);
>> #endif
>> @@ -705,7 +705,7 @@ static int snd_es18xx_playback2_trigger(struct snd_es18xx *chip,
>> snd_es18xx_write(chip, 0xB8, 0x00);
>> #ifdef AVOID_POPS
>> /* Avoid pops */
>> - udelay(25000);
>> + mdelay(25);
>> /* Disable Audio 1 */
>> snd_es18xx_dsp_command(chip, 0xD3);
>> #endif
>> --
>> 1.7.10.4
>>
next prev parent reply other threads:[~2014-04-14 10:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-14 9:41 [PATCH 1/1] driver/snd: es18xx driver should use udelay error Li, Zhen-Hua
2014-04-14 9:46 ` Takashi Iwai
2014-04-14 10:10 ` Li, ZhenHua [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-04-14 9:43 Li, Zhen-Hua
2014-04-14 12:00 ` Clemens Ladisch
2014-04-14 12:30 ` Takashi Iwai
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