From 0aae602ee5c1a9fa8a8304efc832d5e3a94c8752 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Thu, 29 Nov 2012 06:39:49 -0300
Subject: [PATCH] --- yaml --- r: 357047 b: refs/heads/master c:
 143dd34597a2e051cb0938b28387b94742d4e4e4 h: refs/heads/master i:   357045:
 fada4487ec7b2753e44b503636d1cb88bba03e67   357043:
 56effbed4d5e08486e820cbd1be3272ea2709a16   357039:
 ad368134f77272305f8242a475a066313e501b47 v: v3

---
 [refs]                                 |  2 +-
 trunk/drivers/media/usb/gspca/pac207.c | 32 +++++++++++++++++++++-----
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/[refs] b/[refs]
index 51bc7fbd3ee1..b34862743559 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 04881127340c43fc5b8dbc2c381c1928ee22559e
+refs/heads/master: 143dd34597a2e051cb0938b28387b94742d4e4e4
diff --git a/trunk/drivers/media/usb/gspca/pac207.c b/trunk/drivers/media/usb/gspca/pac207.c
index d236d1791f78..1f253dfebe47 100644
--- a/trunk/drivers/media/usb/gspca/pac207.c
+++ b/trunk/drivers/media/usb/gspca/pac207.c
@@ -55,6 +55,11 @@ MODULE_LICENSE("GPL");
 
 #define PAC207_AUTOGAIN_DEADZONE	30
 
+/* global parameters */
+static int led_invert;
+module_param(led_invert, int, 0644);
+MODULE_PARM_DESC(led_invert, "Invert led");
+
 /* specific webcam descriptor */
 struct sd {
 	struct gspca_dev gspca_dev;		/* !! must be the first item */
@@ -187,10 +192,14 @@ static int sd_config(struct gspca_dev *gspca_dev,
 /* this function is called at probe and resume time */
 static int sd_init(struct gspca_dev *gspca_dev)
 {
-	pac207_write_reg(gspca_dev, 0x41, 0x00);
-				/* Bit_0=Image Format,
-				 * Bit_1=LED,
-				 * Bit_2=Compression test mode enable */
+	u8 mode;
+
+	/* mode: Image Format (Bit 0), LED (1), Compr. test mode (2) */
+	if (led_invert)
+		mode = 0x02;
+	else
+		mode = 0x00;
+	pac207_write_reg(gspca_dev, 0x41, mode);
 	pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */
 
 	return gspca_dev->usb_err;
@@ -303,7 +312,11 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	pac207_write_reg(gspca_dev, 0x02,
 		v4l2_ctrl_g_ctrl(gspca_dev->exposure)); /* PXCK = 12MHz /n */
 
-	mode = 0x02; /* Image Format (Bit 0), LED (1), Compr. test mode (2) */
+	/* mode: Image Format (Bit 0), LED (1), Compr. test mode (2) */
+	if (led_invert)
+		mode = 0x00;
+	else
+		mode = 0x02;
 	if (gspca_dev->width == 176) {	/* 176x144 */
 		mode |= 0x01;
 		PDEBUG(D_STREAM, "pac207_start mode 176x144");
@@ -325,8 +338,15 @@ static int sd_start(struct gspca_dev *gspca_dev)
 
 static void sd_stopN(struct gspca_dev *gspca_dev)
 {
+	u8 mode;
+
+	/* mode: Image Format (Bit 0), LED (1), Compr. test mode (2) */
+	if (led_invert)
+		mode = 0x02;
+	else
+		mode = 0x00;
 	pac207_write_reg(gspca_dev, 0x40, 0x00); /* Stop ISO pipe */
-	pac207_write_reg(gspca_dev, 0x41, 0x00); /* Turn of LED */
+	pac207_write_reg(gspca_dev, 0x41, mode); /* Turn off LED */
 	pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */
 }