[media] pwc: Get rid of compression module parameter
Instead of making this a module parameter, automatically fallback to
higher compression settings if there is not enough bandwidth.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h
index 5d01385..47c518f 100644
--- a/drivers/media/video/pwc/pwc.h
+++ b/drivers/media/video/pwc/pwc.h
@@ -243,7 +243,6 @@
int vmax_packet_size; /* USB maxpacket size */
int vlast_packet_size; /* for frame synchronisation */
int visoc_errors; /* number of contiguous ISOC errors */
- int vcompression; /* desired compression factor */
int vbandlength; /* compressed band length; 0 is uncompressed */
char vsync; /* used by isoc handler */
char vmirror; /* for ToUCaM series */
@@ -365,7 +364,7 @@
/** Functions in pwc-ctrl.c */
/* Request a certain video mode. Returns < 0 if not possible */
extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height,
- int frames, int compression);
+ int frames, int *compression);
extern unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size);
extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value);
extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor);