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Commit ff9d1c01 authored by Brad Love's avatar Brad Love Committed by Mauro Carvalho Chehab
Browse files

media: cx23885: Add some missing register documentation 



Document what these two register calls are doing.

Signed-off-by: default avatarBrad Love <brad@nextdimension.cc>
Signed-off-by: default avatarHans Verkuil <hansverk@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent f72ff638

drivers/media/pci/cx23885/cx23885-core.c

+8 −1
Original line number Diff line number Diff line
@@ -1464,8 +1464,15 @@ int cx23885_start_dma(struct cx23885_tsport *port, 
		reg = reg | 0xa;

		cx_write(PAD_CTRL, reg);



		/* FIXME and these two registers should be documented. */

		/* Sets MOE_CLK_DIS to disable MoE clock */

		/* sets MCLK_DLY_SEL/BCLK_DLY_SEL to 1 buffer delay each */

		cx_write(CLK_DELAY, cx_read(CLK_DELAY) | 0x80000011);



		/* ALT_GPIO_ALT_SET: GPIO[0]

		 * IR_ALT_TX_SEL: GPIO[1]

		 * GPIO1_ALT_SEL: VIP_656_DATA[0]

		 * GPIO0_ALT_SEL: VIP_656_CLK

		 */

		cx_write(ALT_PIN_OUT_SEL, 0x10100045);

	}