From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Li, ZhenHua" Subject: Re: [PATCH 1/1] driver/snd: es18xx driver should use udelay error Date: Mon, 14 Apr 2014 18:10:30 +0800 Message-ID: <534BB416.1070704@hp.com> References: <1397468492-18514-1-git-send-email-zhen-hual@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from g4t3427.houston.hp.com (g4t3427.houston.hp.com [15.201.208.55]) by alsa0.perex.cz (Postfix) with ESMTP id 9360A264FF5 for ; Mon, 14 Apr 2014 12:11:14 +0200 (CEST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org 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" >> >> udelay with more than 20000 may cause __bad_udelay. >> Use mdelay for instead. >> >> Signed-off-by: Li, Zhen-Hua > 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 >>