linux-kernel - [ 106/122] em28xx: regression fix: use DRX-K sync firmware requests on em28xx

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Date:	Thu, 11 Oct 2012 07:54:32 +0900
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Antti Palosaari <crope@....fi>,
	Mauro Carvalho Chehab <mchehab@...hat.com>
Subject: [ 106/122] em28xx: regression fix: use DRX-K sync firmware requests on em28xx

3.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mauro Carvalho Chehab <mchehab@...hat.com>

commit 2425bb3d4016ed95ce83a90b53bd92c7f31091e4 upstream.

As em28xx-dvb will always be initialized asynchronously, there's
no need anymore for a separate thread to load the DRX-K firmware.

Fixes a known regression with kernel 3.6 with tda18271 driver
and asynchronous DRX-K firmware load.

Antti tested it with the following hardware:
        Hauppauge WinTV HVR 930C
        MaxMedia UB425-TC
        PCTV QuatroStick nano (520e)

Tested-by: Antti Palosaari <crope@....fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/media/video/em28xx/em28xx-dvb.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -316,6 +316,7 @@ static struct drxk_config terratec_h5_dr
 	.no_i2c_bridge = 1,
 	.microcode_name = "dvb-usb-terratec-h5-drxk.fw",
 	.qam_demod_parameter_count = 2,
+	.load_firmware_sync = true,
 };
 
 static struct drxk_config hauppauge_930c_drxk = {
@@ -325,6 +326,7 @@ static struct drxk_config hauppauge_930c
 	.microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
 	.chunk_size = 56,
 	.qam_demod_parameter_count = 2,
+	.load_firmware_sync = true,
 };
 
 struct drxk_config terratec_htc_stick_drxk = {
@@ -338,12 +340,14 @@ struct drxk_config terratec_htc_stick_dr
 	.antenna_dvbt = true,
 	/* The windows driver uses the same. This will disable LNA. */
 	.antenna_gpio = 0x6,
+	.load_firmware_sync = true,
 };
 
 static struct drxk_config maxmedia_ub425_tc_drxk = {
 	.adr = 0x29,
 	.single_master = 1,
 	.no_i2c_bridge = 1,
+	.load_firmware_sync = true,
 };
 
 static struct drxk_config pctv_520e_drxk = {
@@ -354,6 +358,7 @@ static struct drxk_config pctv_520e_drxk
 	.chunk_size = 58,
 	.antenna_dvbt = true, /* disable LNA */
 	.antenna_gpio = (1 << 2), /* disable LNA */
+	.load_firmware_sync = true,
 };
 
 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)


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