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V4L/DVB (7004): cx23885: Ensure HVR1800 TDA8295A is reset fully on module load

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Failure to do this means that a full system reboot is required if the
part hangs.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Steven Toth 2008-01-10 02:09:27 -03:00 committed by Mauro Carvalho Chehab
parent 0ac5881aef
commit 5206d6ec36
1 changed files with 7 additions and 1 deletions
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8
drivers/media/video/cx23885/cx23885-cards.c
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@ -268,7 +268,13 @@ void cx23885_gpio_setup(struct cx23885_dev *dev)
/* GPIO-15-18 cx23417 READY, CS, RD, WR */
/* GPIO-19 IR_RX */
cx_set(GP0_IO, 0x00040004); /* Bring the tuner out of reset */
/* Force the TDA8295A into reset and back */
cx_set(GP0_IO, 0x00040004);
mdelay(20);
cx_clear(GP0_IO, 0x00000004);
mdelay(20);
cx_set(GP0_IO, 0x00040004);
mdelay(20);
break;
}
}