From 600bd7f0edee0f9687c3c77e6fe63c74452acbfa Mon Sep 17 00:00:00 2001 From: Devin Heitmueller Date: Wed, 12 Nov 2008 02:05:02 -0300 Subject: [PATCH] V4L/DVB (9583): Remember chip id of devices at initialization When setting up the device, remember the chip id, so we can control behavior in the future without having to read the register continuously. Signed-off-by: Devin Heitmueller Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-cards.c | 1 + drivers/media/video/em28xx/em28xx.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index d93e1eb04331..90389270389b 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -1319,6 +1319,7 @@ void em28xx_pre_card_setup(struct em28xx *dev) dev->wait_after_write = 5; rc = em28xx_read_reg(dev, EM28XX_R0A_CHIPID); if (rc > 0) { + dev->chip_id = rc; switch (rc) { case CHIP_ID_EM2860: em28xx_info("chip ID is em2860\n"); diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index d1679a6eb33f..fc2db0d60fca 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -370,6 +370,7 @@ struct em28xx { char name[30]; /* name (including minor) of the device */ int model; /* index in the device_data struct */ int devno; /* marks the number of this device */ + enum em28xx_chip_id chip_id; unsigned int is_em2800:1; unsigned int has_msp34xx:1; unsigned int has_tda9887:1;