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| author | Nathan Howard <adanhawthorn@gmail.com> | 2017-02-17 15:16:19 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-06 09:17:03 +0100 |
| commit | 36ba7ca84ac8612b80a7af5229b5ace5c631dcf2 (patch) | |
| tree | 0d997a9cf3dc4e4262a95badc9db346626f76649 | |
| parent | 1e26728d90cdde8a655437ee8c2714ac4908b3cb (diff) | |
| download | linux-36ba7ca84ac8612b80a7af5229b5ace5c631dcf2.tar.bz2 | |
staging: bcm2835-audio: bcm2835.h: fix macro coding style issue
Fix checkpatch.pl warning of the form "CHECK: Macro argument 'vol' may be
better as '(vol)' to avoid precedence issues."
Signed-off-by: Nathan Howard <adanhawthorn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/bcm2835-audio/bcm2835.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/staging/bcm2835-audio/bcm2835.h b/drivers/staging/bcm2835-audio/bcm2835.h index 81fdb1041f06..2f9d1c95a29f 100644 --- a/drivers/staging/bcm2835-audio/bcm2835.h +++ b/drivers/staging/bcm2835-audio/bcm2835.h @@ -77,8 +77,11 @@ enum { /* macros for alsa2chip and chip2alsa, instead of functions */ -#define alsa2chip(vol) (uint)(-((vol << 8) / 100)) /* convert alsa to chip volume (defined as macro rather than function call) */ -#define chip2alsa(vol) -((vol * 100) >> 8) /* convert chip to alsa volume */ +// convert alsa to chip volume (defined as macro rather than function call) +#define alsa2chip(vol) (uint)(-(((vol) << 8) / 100)) + +// convert chip to alsa volume +#define chip2alsa(vol) -(((vol) * 100) >> 8) /* Some constants for values .. */ enum snd_bcm2835_route { |