V4L/DVB (7610): em28xx: Select reg wait time based on chip ID

This is more conservative than just removing the msleep() from
em28xx_write_regs_req(), since some old hardware may still need it.
So, it will remove the sleep time only for those chips where this
removal were tested.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 5b21efaf7844..8f12b848b1d1 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -331,6 +331,9 @@ struct em28xx {
         unsigned int max_range_640_480:1;
         unsigned int has_dvb:1;
 
+        /* Some older em28xx chips needs a waiting time after writing */
+        unsigned int wait_after_write;
+
         /* GPIO sequences for tuner callback */
         struct em28xx_reg_seq *analog_gpio, *digital_gpio;