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ALSA: pci/oxygen/xonar_wm87x6: remove always true condition

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Fix W=1 warnings:

sound/pci/oxygen/xonar_wm87x6.c: In function ‘wm8776_write’:
sound/pci/oxygen/xonar_wm87x6.c:119:11: warning: comparison of
unsigned expression >= 0 is always true [-Wtype-limits]
  119 |   if (reg >= WM8776_HPLVOL && reg <= WM8776_DACMASTER)
      |           ^~
sound/pci/oxygen/xonar_wm87x6.c: In function ‘wm8766_write’:
sound/pci/oxygen/xonar_wm87x6.c:147:12: warning: comparison of
unsigned expression >= 0 is always true [-Wtype-limits]
  147 |   if ((reg >= WM8766_LDA1 && reg <= WM8766_RDA1) ||
      |            ^~

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200702193604.169059-17-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Pierre-Louis Bossart 2020-07-02 14:35:57 -05:00 committed by Takashi Iwai
parent ab3ee09261
commit 6add6b02e5
1 changed files with 4 additions and 2 deletions
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6
sound/pci/oxygen/xonar_wm87x6.c
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@ -116,7 +116,8 @@ static void wm8776_write(struct oxygen *chip,
else
wm8776_write_i2c(chip, reg, value);
if (reg < ARRAY_SIZE(data->wm8776_regs)) {
if (reg >= WM8776_HPLVOL && reg <= WM8776_DACMASTER)
/* reg >= WM8776_HPLVOL is always true */
if (reg <= WM8776_DACMASTER)
value &= ~WM8776_UPDATE;
data->wm8776_regs[reg] = value;
}
@ -144,7 +145,8 @@ static void wm8766_write(struct oxygen *chip,
OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
(reg << 9) | value);
if (reg < ARRAY_SIZE(data->wm8766_regs)) {
if ((reg >= WM8766_LDA1 && reg <= WM8766_RDA1) ||
/* reg >= WM8766_LDA1 is always true */
if (reg <= WM8766_RDA1 ||
(reg >= WM8766_LDA2 && reg <= WM8766_MASTDA))
value &= ~WM8766_UPDATE;
data->wm8766_regs[reg] = value;