linux-kernel - [PATCH AUTOSEL 4.4 38/47] ALSA: wss: Fix sparse warning wrt PCM format type

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Message-ID: <20180902131533.184092-38-alexander.levin@microsoft.com>
Date:   Sun, 2 Sep 2018 13:16:24 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Takashi Iwai <tiwai@...e.de>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL 4.4 38/47] ALSA: wss: Fix sparse warning wrt PCM
 format type

From: Takashi Iwai <tiwai@...e.de>

[ Upstream commit 6be9a60efb401487a4d658ef23d652a9e6860b34 ]

The PCM format type is with __bitwise, and it can't be converted from
integer implicitly.  Instead of an ugly cast, declare the function
argument of snd_wss_get_format() with the proper snd_pcm_format_t
type.

This fixes the sparse warnings like:
  sound/isa/wss/wss_lib.c:551:14: warning: restricted snd_pcm_format_t degrades to integer

Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 sound/isa/wss/wss_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index 913b731d2236..72b2cacc9e0e 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -541,7 +541,7 @@ static unsigned char snd_wss_get_rate(unsigned int rate)
 }
 
 static unsigned char snd_wss_get_format(struct snd_wss *chip,
-					int format,
+					snd_pcm_format_t format,
 					int channels)
 {
 	unsigned char rformat;
-- 
2.17.1