V4L/DVB (6969): Avoid causing regressions for non-HVR950 boards
Only HVR950 has analog_gpio configured. It makes no sense to set gpio to 0 for
other boards. Better to add a test, while this var is not set for all xc3028
devices.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 1011813..5ffdbaa 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -485,26 +485,30 @@
switch (command) {
case XC2028_TUNER_RESET:
{
- char gpio0, gpio1, gpio4;
-
- /* GPIO and initialization codes for analog TV */
- gpio0 = dev->analog_gpio & 0xff;
- gpio1 = (dev->analog_gpio >> 8) & 0xff;
- gpio4 = dev->analog_gpio >> 24;
+ /* GPIO and initialization codes for analog TV and radio
+ This code should be complemented for DTV, since reset
+ codes are different.
+ */
dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);
- if (gpio4) {
- dev->em28xx_write_regs(dev, 0x04, &gpio4, 1);
- msleep(140);
- }
+ if (dev->analog_gpio) {
+ char gpio0 = dev->analog_gpio & 0xff;
+ char gpio1 = (dev->analog_gpio >> 8) & 0xff;
+ char gpio4 = dev->analog_gpio >> 24;
- msleep(6);
- dev->em28xx_write_regs(dev, 0x08, &gpio0, 1);
- msleep(10);
- dev->em28xx_write_regs(dev, 0x08, &gpio1, 1);
- msleep(5);
+ if (gpio4) {
+ dev->em28xx_write_regs(dev, 0x04, &gpio4, 1);
+ msleep(140);
+ }
+
+ msleep(6);
+ dev->em28xx_write_regs(dev, 0x08, &gpio0, 1);
+ msleep(10);
+ dev->em28xx_write_regs(dev, 0x08, &gpio1, 1);
+ msleep(5);
+ }
break;
}