[alsa-devel] [PATCH] ASoC: Add delay information for Samsung IISv2 DAIs
jassi brar
jassisinghbrar at gmail.com
Thu Mar 4 14:18:59 CET 2010
On Thu, Mar 4, 2010 at 9:05 PM, Mark Brown
<broonie at opensource.wolfsonmicro.com> wrote:
> @@ -550,6 +550,21 @@ static int s3c2412_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai,
> return 0;
> }
>
> +static long s3c2412_i2s_delay(struct snd_pcm_substream *substream,
> + struct snd_soc_dai *dai)
return type snd_pcm_sframes_t ?
> +{
> + struct s3c_i2sv2_info *i2s = to_info(dai);
> + u32 reg = readl(i2s->regs + S3C2412_IISFIC);
> + int delay;
'delay' type snd_pcm_sframes_t ?
> +
> + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
> + delay = S3C2412_IISFIC_TXCOUNT(reg);
> + else
> + delay = S3C2412_IISFIC_RXCOUNT(reg);
> +
> + return delay;
> +}
> +
> + /* Allow overriding by (for example) IISv4 */
> + if (!ops->delay)
> + ops->delay = s3c2412_i2s_delay,
Ok for now.
I am trying to make functions in s3c-i2s-v2.c re-entrant as much as possible,
'delay' too seems to be a good candidate.
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