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From: Vinod Koul <vinod.koul@intel.com>
To: Kirtika Ruchandani <kirtika@chromium.org>
Cc: tiwai@suse.com, arnd@arndb.de, alsa-devel@alsa-project.org,
	linux-kernel@vger.kernel.org,
	Hardik T Shah <hardik.t.shah@intel.com>,
	Omair M Abdullah <omair.m.abdullah@intel.com>,
	Jeeja KP <jeeja.kp@intel.com>,
	"Subhransu S . Prusty" <subhransu.s.prusty@intel.com>,
	Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH] ASoC: Intel: Skylake: remove unused 'out_fmt' variable
Date: Thu, 8 Dec 2016 15:30:01 +0530	[thread overview]
Message-ID: <20161208095959.GY6408@localhost> (raw)
In-Reply-To: <1481176902-131803-1-git-send-email-kirtika@chromium.org>

On Wed, Dec 07, 2016 at 10:01:42PM -0800, Kirtika Ruchandani wrote:
> Commit 4cd9899f0d16 introduced struct skl_module_fmt* out_fmt without
> using it. Compiling with W=1 gives the below warning, fix it.
> 
> sound/soc/intel/skylake/skl-topology.c: In function ‘skl_tplg_update_buffer_size’:
> sound/soc/intel/skylake/skl-topology.c:301:34: warning: variable ‘out_fmt’ set but not used [-Wunused-but-set-variable]
> 
> This is a harmless warning and is only being fixed to reduce the noise
> with W=1 in the kernel.

Heya,

Can you please tell me which tree this warning was found on? At least this
doesn't exist upstream. The out_fmt is very well used.

If you saw this in Chromium tree then it might be due to some missing
backports..

> diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
> index bd313c9..4352236a 100644
> --- a/sound/soc/intel/skylake/skl-topology.c
> +++ b/sound/soc/intel/skylake/skl-topology.c
> @@ -298,7 +298,7 @@ static void skl_tplg_update_buffer_size(struct skl_sst *ctx,
> 				struct skl_module_cfg *mcfg)
>  {
> 	int multiplier = 1;
> -	struct skl_module_fmt *in_fmt, *out_fmt;
> +	struct skl_module_fmt *in_fmt;
> 	int in_rate, out_rate;
> 
> 
> @@ -306,7 +306,6 @@ static void skl_tplg_update_buffer_size(struct skl_sst *ctx,
> 	 * change for pin 0 only
> 	 */
> 	in_fmt = &mcfg->in_fmt[0];
> -	out_fmt = &mcfg->out_fmt[0];
> 
> 	if (mcfg->m_type == SKL_MODULE_TYPE_SRCINT)
> 		multiplier = 5;
> --
> 2.8.0.rc3.226.g39d4020

-- 
~Vinod

  reply	other threads:[~2016-12-08  9:53 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-08  6:01 [PATCH] ASoC: Intel: Skylake: remove unused 'out_fmt' variable Kirtika Ruchandani
2016-12-08 10:00 ` Vinod Koul [this message]
2016-12-08 10:18   ` Vinod Koul
2016-12-08 16:15 ` Mark Brown

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