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authorTakashi Iwai <tiwai@suse.de>2011-09-22 16:54:23 +0200
committerTakashi Iwai <tiwai@suse.de>2011-09-23 07:18:22 +0200
commit8e699d2cc286506c00ce8ecc67c3d7d6cca9e814 (patch)
treee00f7d75e156087d1b881c612f55b91df2d2524c /sound/pci/fm801.c
parent272a487056ac2f39fe57fb54a55556b30c1522ba (diff)
ALSA: fm801 - Clean up redundant reference to snd_fm801_tea575x_gpios[]
Use macro to improve readability. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/fm801.c')
-rw-r--r--sound/pci/fm801.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index 76465f5d9f5..136f7232bb7 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -729,11 +729,14 @@ static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
{ .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
};
+#define get_tea575x_gpio(chip) \
+ (&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
+
static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
{
struct fm801 *chip = tea->private_data;
unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
- struct snd_fm801_tea575x_gpio gpio = snd_fm801_tea575x_gpios[(chip->tea575x_tuner & TUNER_TYPE_MASK) - 1];
+ struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
reg &= ~(FM801_GPIO_GP(gpio.data) |
FM801_GPIO_GP(gpio.clk) |
@@ -751,7 +754,7 @@ static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
{
struct fm801 *chip = tea->private_data;
unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
- struct snd_fm801_tea575x_gpio gpio = snd_fm801_tea575x_gpios[(chip->tea575x_tuner & TUNER_TYPE_MASK) - 1];
+ struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
return (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
(reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
@@ -761,7 +764,7 @@ static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output
{
struct fm801 *chip = tea->private_data;
unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
- struct snd_fm801_tea575x_gpio gpio = snd_fm801_tea575x_gpios[(chip->tea575x_tuner & TUNER_TYPE_MASK) - 1];
+ struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
/* use GPIO lines and set write enable bit */
reg |= FM801_GPIO_GS(gpio.data) |
@@ -1246,7 +1249,7 @@ static int __devinit snd_fm801_create(struct snd_card *card,
chip->tea575x_tuner = tea575x_tuner;
if (!snd_tea575x_init(&chip->tea)) {
snd_printk(KERN_INFO "detected TEA575x radio type %s\n",
- snd_fm801_tea575x_gpios[tea575x_tuner - 1].name);
+ get_tea575x_gpio(chip)->name);
break;
}
}
@@ -1256,9 +1259,7 @@ static int __devinit snd_fm801_create(struct snd_card *card,
}
}
if (!(chip->tea575x_tuner & TUNER_DISABLED)) {
- strlcpy(chip->tea.card,
- snd_fm801_tea575x_gpios[(tea575x_tuner &
- TUNER_TYPE_MASK) - 1].name,
+ strlcpy(chip->tea.card, get_tea575x_gpio(chip)->name,
sizeof(chip->tea.card));
}
#endif