From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [PATCH 1/1] driver/snd: es18xx driver should use udelay error Date: Mon, 14 Apr 2014 11:46:59 +0200 Message-ID: References: <1397468492-18514-1-git-send-email-zhen-hual@hp.com> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id DCF9526109E for ; Mon, 14 Apr 2014 11:47:00 +0200 (CEST) In-Reply-To: <1397468492-18514-1-git-send-email-zhen-hual@hp.com> 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: "Li, Zhen-Hua" Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org 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 >