linux-kernel - [PATCH 3/4] staging: media: go7007: i2c GPIO initialization Reset i2c stuff for GO7007_BOARDID_ADLINK_MPG24 need reset GPIO always when encoder initialize

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Date:	Wed, 16 Jan 2013 17:00:50 +0400
From:	Volokh Konstantin <volokh84@...il.com>
To:	linux-media@...r.kernel.org
Cc:	mchehab@...hat.com, gregkh@...uxfoundation.org, volokh84@...il.com,
	dhowells@...hat.com, rdunlap@...otime.net, hans.verkuil@...co.com,
	justinmattock@...il.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] staging: media: go7007: i2c GPIO initialization Reset i2c stuff for GO7007_BOARDID_ADLINK_MPG24   need reset GPIO always when encoder initialize

Signed-off-by: Volokh Konstantin <volokh84@...il.com>
---
 drivers/staging/media/go7007/go7007-driver.c |    5 +++++
 drivers/staging/media/go7007/go7007-usb.c    |    3 ---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/media/go7007/go7007-driver.c b/drivers/staging/media/go7007/go7007-driver.c
index a66e339..c0ea312 100644
--- a/drivers/staging/media/go7007/go7007-driver.c
+++ b/drivers/staging/media/go7007/go7007-driver.c
@@ -173,6 +173,11 @@ static int go7007_init_encoder(struct go7007 *go)
 		go7007_write_addr(go, 0x3c82, 0x0001);
 		go7007_write_addr(go, 0x3c80, 0x00fe);
 	}
+	if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
+		/* set GPIO5 to be an output, currently low */
+		go7007_write_addr(go, 0x3c82, 0x0000);
+		go7007_write_addr(go, 0x3c80, 0x00df);
+	}
 	return 0;
 }
 
diff --git a/drivers/staging/media/go7007/go7007-usb.c b/drivers/staging/media/go7007/go7007-usb.c
index a6cad15..9dbf5ec 100644
--- a/drivers/staging/media/go7007/go7007-usb.c
+++ b/drivers/staging/media/go7007/go7007-usb.c
@@ -1110,9 +1110,6 @@ static int go7007_usb_probe(struct usb_interface *intf,
 			} else {
 				u16 channel;
 
-				/* set GPIO5 to be an output, currently low */
-				go7007_write_addr(go, 0x3c82, 0x0000);
-				go7007_write_addr(go, 0x3c80, 0x00df);
 				/* read channel number from GPIO[1:0] */
 				go7007_read_addr(go, 0x3c81, &channel);
 				channel &= 0x3;
-- 
1.7.7.6

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