diff options
Diffstat (limited to 'drivers/media/pci/cx18/cx18-ioctl.c')
-rw-r--r-- | drivers/media/pci/cx18/cx18-ioctl.c | 82 |
1 files changed, 11 insertions, 71 deletions
diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c index aee7b6dacbfe..1110bcb14e2f 100644 --- a/drivers/media/pci/cx18/cx18-ioctl.c +++ b/drivers/media/pci/cx18/cx18-ioctl.c @@ -39,7 +39,6 @@ #include "cx18-cards.h" #include "cx18-av-core.h" #include <media/tveeprom.h> -#include <media/v4l2-chip-ident.h> u16 cx18_service2vbi(int type) { @@ -362,73 +361,18 @@ static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh, return 0; } -static int cx18_g_chip_ident(struct file *file, void *fh, - struct v4l2_dbg_chip_ident *chip) -{ - struct cx18 *cx = fh2id(fh)->cx; - int err = 0; - - chip->ident = V4L2_IDENT_NONE; - chip->revision = 0; - switch (chip->match.type) { - case V4L2_CHIP_MATCH_HOST: - switch (chip->match.addr) { - case 0: - chip->ident = V4L2_IDENT_CX23418; - chip->revision = cx18_read_reg(cx, 0xC72028); - break; - case 1: - /* - * The A/V decoder is always present, but in the rare - * case that the card doesn't have analog, we don't - * use it. We find it w/o using the cx->sd_av pointer - */ - cx18_call_hw(cx, CX18_HW_418_AV, - core, g_chip_ident, chip); - break; - default: - /* - * Could return ident = V4L2_IDENT_UNKNOWN if we had - * other host chips at higher addresses, but we don't - */ - err = -EINVAL; /* per V4L2 spec */ - break; - } - break; - case V4L2_CHIP_MATCH_I2C_DRIVER: - /* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */ - cx18_call_all(cx, core, g_chip_ident, chip); - break; - case V4L2_CHIP_MATCH_I2C_ADDR: - /* - * We could return V4L2_IDENT_UNKNOWN, but we don't do the work - * to look if a chip is at the address with no driver. That's a - * dangerous thing to do with EEPROMs anyway. - */ - cx18_call_all(cx, core, g_chip_ident, chip); - break; - default: - err = -EINVAL; - break; - } - return err; -} - #ifdef CONFIG_VIDEO_ADV_DEBUG static int cx18_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) { struct cx18 *cx = fh2id(fh)->cx; - if (v4l2_chip_match_host(®->match)) { - if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) - return -EINVAL; - reg->size = 4; - reg->val = cx18_read_enc(cx, reg->reg); - return 0; - } - /* FIXME - errors shouldn't be ignored */ - cx18_call_all(cx, core, g_register, reg); + if (reg->reg & 0x3) + return -EINVAL; + if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) + return -EINVAL; + reg->size = 4; + reg->val = cx18_read_enc(cx, reg->reg); return 0; } @@ -437,14 +381,11 @@ static int cx18_s_register(struct file *file, void *fh, { struct cx18 *cx = fh2id(fh)->cx; - if (v4l2_chip_match_host(®->match)) { - if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) - return -EINVAL; - cx18_write_enc(cx, reg->val, reg->reg); - return 0; - } - /* FIXME - errors shouldn't be ignored */ - cx18_call_all(cx, core, s_register, reg); + if (reg->reg & 0x3) + return -EINVAL; + if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) + return -EINVAL; + cx18_write_enc(cx, reg->val, reg->reg); return 0; } #endif @@ -1162,7 +1103,6 @@ static const struct v4l2_ioctl_ops cx18_ioctl_ops = { .vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap, .vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap, .vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap, - .vidioc_g_chip_ident = cx18_g_chip_ident, #ifdef CONFIG_VIDEO_ADV_DEBUG .vidioc_g_register = cx18_g_register, .vidioc_s_register = cx18_s_register, |