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-rw-r--r--drivers/media/usb/em28xx/em28xx-core.c31
-rw-r--r--drivers/media/usb/em28xx/em28xx.h10
2 files changed, 33 insertions, 8 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index 31d6ab2555f2..4a8179aafc4d 100644
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -600,6 +600,22 @@ int em28xx_colorlevels_set_default(struct em28xx *dev)
return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00);
}
+const struct em28xx_led *em28xx_find_led(struct em28xx *dev,
+ enum em28xx_led_role role)
+{
+ if (dev->board.leds) {
+ u8 k = 0;
+ while (dev->board.leds[k].role >= 0 &&
+ dev->board.leds[k].role < EM28XX_NUM_LED_ROLES) {
+ if (dev->board.leds[k].role == role)
+ return &dev->board.leds[k];
+ k++;
+ }
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(em28xx_find_led);
+
int em28xx_capture_start(struct em28xx *dev, int start)
{
int rc;
@@ -645,13 +661,14 @@ int em28xx_capture_start(struct em28xx *dev, int start)
return rc;
/* Switch (explicitly controlled) analog capturing LED on/off */
- if ((dev->mode == EM28XX_ANALOG_MODE)
- && dev->board.analog_capturing_led) {
- struct em28xx_led *led = dev->board.analog_capturing_led;
- em28xx_write_reg_bits(dev, led->gpio_reg,
- (!start ^ led->inverted) ?
- ~led->gpio_mask : led->gpio_mask,
- led->gpio_mask);
+ if (dev->mode == EM28XX_ANALOG_MODE) {
+ const struct em28xx_led *led;
+ led = em28xx_find_led(dev, EM28XX_LED_ANALOG_CAPTURING);
+ if (led)
+ em28xx_write_reg_bits(dev, led->gpio_reg,
+ (!start ^ led->inverted) ?
+ ~led->gpio_mask : led->gpio_mask,
+ led->gpio_mask);
}
return rc;
diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h
index df828c68ef44..f60f236a245f 100644
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -377,7 +377,13 @@ enum em28xx_adecoder {
EM28XX_TVAUDIO,
};
+enum em28xx_led_role {
+ EM28XX_LED_ANALOG_CAPTURING = 0,
+ EM28XX_NUM_LED_ROLES, /* must be the last */
+};
+
struct em28xx_led {
+ enum em28xx_led_role role;
u8 gpio_reg;
u8 gpio_mask;
bool inverted;
@@ -433,7 +439,7 @@ struct em28xx_board {
char *ir_codes;
/* LEDs that need to be controlled explicitly */
- struct em28xx_led *analog_capturing_led;
+ struct em28xx_led *leds;
/* Buttons */
struct em28xx_button *buttons;
@@ -711,6 +717,8 @@ int em28xx_audio_analog_set(struct em28xx *dev);
int em28xx_audio_setup(struct em28xx *dev);
int em28xx_colorlevels_set_default(struct em28xx *dev);
+const struct em28xx_led *em28xx_find_led(struct em28xx *dev,
+ enum em28xx_led_role role);
int em28xx_capture_start(struct em28xx *dev, int start);
int em28xx_vbi_supported(struct em28xx *dev);
int em28xx_set_outfmt(struct em28xx *dev);