From: Márton Németh <nm127@xxxxxxxxxxx>
Separate the dq_callback function. Remove the run-time decision for
PAC7302 and PAC7311 sensors.
Signed-off-by: Márton Németh <nm127@xxxxxxxxxxx>
Cc: Thomas Kaiser <thomas@xxxxxxxxxxxxxxx>
Cc: Theodore Kilgore <kilgota@xxxxxxxxxx>
Cc: Kyle Guinn <elyk03@xxxxxxxxx>
---
diff -uprN i/drivers/media/video/gspca/pac7311.c j/drivers/media/video/gspca/pac7311.c
--- i/drivers/media/video/gspca/pac7311.c 2009-10-30 17:59:39.000000000 +0100
+++ j/drivers/media/video/gspca/pac7311.c 2009-10-30 18:00:55.000000000 +0100
@@ -820,7 +820,7 @@ static void pac7311_sd_stop0(struct gspc
/* Include pac common sof detection functions */
#include "pac_common.h"
-static void do_autogain(struct gspca_dev *gspca_dev)
+static void pac7302_do_autogain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int avg_lum = atomic_read(&sd->avg_lum);
@@ -829,22 +829,36 @@ static void do_autogain(struct gspca_dev
if (avg_lum == -1)
return;
- if (sd->sensor == SENSOR_PAC7302) {
- desired_lum = 270 + sd->brightness * 4;
- /* Hack hack, with the 7202 the first exposure step is
- pretty large, so if we're about to make the first
- exposure increase make the deadzone large to avoid
- oscilating */
- if (desired_lum > avg_lum && sd->gain == GAIN_DEF &&
- sd->exposure > EXPOSURE_DEF &&
- sd->exposure < 42)
- deadzone = 90;
- else
- deadzone = 30;
- } else {
- desired_lum = 200;
- deadzone = 20;
- }
+ desired_lum = 270 + sd->brightness * 4;
+ /* Hack hack, with the 7202 the first exposure step is
+ pretty large, so if we're about to make the first
+ exposure increase make the deadzone large to avoid
+ oscilating */
+ if (desired_lum > avg_lum && sd->gain == GAIN_DEF &&
+ sd->exposure > EXPOSURE_DEF &&
+ sd->exposure < 42)
+ deadzone = 90;
+ else
+ deadzone = 30;
+
+ if (sd->autogain_ignore_frames > 0)
+ sd->autogain_ignore_frames--;
+ else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum, desired_lum,
+ deadzone, GAIN_KNEE, EXPOSURE_KNEE))
+ sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
+}
+
+static void pac7311_do_autogain(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ int avg_lum = atomic_read(&sd->avg_lum);
+ int desired_lum, deadzone;
+
+ if (avg_lum == -1)
+ return;
+
+ desired_lum = 200;
+ deadzone = 20;
if (sd->autogain_ignore_frames > 0)
sd->autogain_ignore_frames--;
@@ -1180,7 +1194,7 @@ static struct sd_desc pac7302_sd_desc =
.stopN = pac7302_sd_stopN,
.stop0 = pac7302_sd_stop0,
.pkt_scan = pac7302_sd_pkt_scan,
- .dq_callback = do_autogain,
+ .dq_callback = pac7302_do_autogain,
};
/* sub-driver description for pac7311 */
@@ -1194,7 +1208,7 @@ static struct sd_desc pac7311_sd_desc =
.stopN = pac7311_sd_stopN,
.stop0 = pac7311_sd_stop0,
.pkt_scan = pac7311_sd_pkt_scan,
- .dq_callback = do_autogain,
+ .dq_callback = pac7311_do_autogain,
};
/* -- module initialisation -- */
--
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