V4L/DVB (9583): Remember chip id of devices at initialization
authorDevin Heitmueller <devin.heitmueller@gmail.com>
Wed, 12 Nov 2008 05:05:02 +0000 (02:05 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 29 Dec 2008 19:53:32 +0000 (17:53 -0200)
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 <devin.heitmueller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/em28xx/em28xx-cards.c
drivers/media/video/em28xx/em28xx.h

index d93e1eb043311ed015833bb70cd1244403282afa..90389270389b2655ba22c9c974e577f33f627b03 100644 (file)
@@ -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");
index d1679a6eb33f6f3f176657a05a88e68bb89ea0a4..fc2db0d60fcaf0675795c2d36f1383c0e44e7512 100644 (file)
@@ -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;