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Commit 3ab25123 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] af9035: override tuner for AVerMedia A835B devices 



Tuner ID set into EEPROM is wrong, which causes driver to select
wrong tuner profile. That leads device non-working. Fix issue by
overriding known bad tuner IDs with suitable default value.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 60ecb71a

drivers/media/usb/dvb-usb-v2/af9035.c

+19 −0
Original line number Diff line number Diff line
@@ -799,6 +799,25 @@ static int af9035_read_config(struct dvb_usb_device *d) 
		addr += 0x10; /* shift for the 2nd tuner params */

	}



	/*

	 * These AVerMedia devices has a bad EEPROM content :-(

	 * Override some wrong values here.

	 */

	if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA) {

		switch (le16_to_cpu(d->udev->descriptor.idProduct)) {

		case USB_PID_AVERMEDIA_A835B_1835:

		case USB_PID_AVERMEDIA_A835B_2835:

		case USB_PID_AVERMEDIA_A835B_3835:

			dev_info(&d->udev->dev,

				 "%s: overriding tuner from %02x to %02x\n",

				 KBUILD_MODNAME, state->af9033_config[0].tuner,

				 AF9033_TUNER_IT9135_60);



			state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;

			break;

		}

	}



skip_eeprom:

	/* get demod clock */

	ret = af9035_rd_reg(d, 0x00d800, &tmp);