From: Niklas Söderlund Date: Tue, 21 Jan 2025 20:44:00 +0000 (+0100) Subject: media: i2c: adv748x: Fix test pattern selection mask X-Git-Tag: v6.15-rc1~174^2~127 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e38acacb9d809b97a0bdc5c76e725355a47158a;p=thirdparty%2Fkernel%2Flinux.git media: i2c: adv748x: Fix test pattern selection mask The mask to select the test-pattern in register ADV748X_SDP_FRP is incorrect, it's the lower 3 bits which controls the pattern. The GENMASK() macro is used incorrectly and the generated mask is 0x0e instead of 0x07. The result is that not all test patterns are selectable, and that in some cases the wrong test pattern is activated. Fix this by correcting the GENMASK(). Fixes: 3e89586a64df ("media: i2c: adv748x: add adv748x driver") Cc: stable@vger.kernel.org Signed-off-by: Niklas Söderlund Reviewed-by: Kieran Bingham Signed-off-by: Hans Verkuil [hverkuil: fixed tiny typo in commit log: my -> by] --- diff --git a/drivers/media/i2c/adv748x/adv748x.h b/drivers/media/i2c/adv748x/adv748x.h index 9bc0121d0eff3..2c1db5968af8e 100644 --- a/drivers/media/i2c/adv748x/adv748x.h +++ b/drivers/media/i2c/adv748x/adv748x.h @@ -320,7 +320,7 @@ struct adv748x_state { /* Free run pattern select */ #define ADV748X_SDP_FRP 0x14 -#define ADV748X_SDP_FRP_MASK GENMASK(3, 1) +#define ADV748X_SDP_FRP_MASK GENMASK(2, 0) /* Saturation */ #define ADV748X_SDP_SD_SAT_U 0xe3 /* user_map_rw_reg_e3 */