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authorJacopo Mondi <jacopo+renesas@jmondi.org>2019-01-10 15:02:09 +0100
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-02-18 17:01:31 +0100
commit29166e0f8f426a9a3067efd9317d84e4db82f009 (patch)
treec70253b94c0745b96a1c0202d38017d90407db08 /drivers/media/i2c
parentmedia: adv748x: Add is_txb() (diff)
downloadlinux-29166e0f8f426a9a3067efd9317d84e4db82f009.tar.xz
linux-29166e0f8f426a9a3067efd9317d84e4db82f009.zip
media: adv748x: Rename reset procedures
Rename the chip reset procedure as they configure the CP (HDMI) and SD (AFE) cores. Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/i2c')
-rw-r--r--drivers/media/i2c/adv748x/adv748x-core.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/media/i2c/adv748x/adv748x-core.c b/drivers/media/i2c/adv748x/adv748x-core.c
index bd8a8c8d6f8e..ba91db45547a 100644
--- a/drivers/media/i2c/adv748x/adv748x-core.c
+++ b/drivers/media/i2c/adv748x/adv748x-core.c
@@ -353,9 +353,8 @@ static const struct adv748x_reg_value adv748x_sw_reset[] = {
{ADV748X_PAGE_EOR, 0xff, 0xff} /* End of register table */
};
-/* Supported Formats For Script Below */
-/* - 01-29 HDMI to MIPI TxA CSI 4-Lane - RGB888: */
-static const struct adv748x_reg_value adv748x_init_txa_4lane[] = {
+/* Initialize CP Core with RGB888 format. */
+static const struct adv748x_reg_value adv748x_init_hdmi[] = {
/* Disable chip powerdown & Enable HDMI Rx block */
{ADV748X_PAGE_IO, 0x00, 0x40},
@@ -399,10 +398,8 @@ static const struct adv748x_reg_value adv748x_init_txa_4lane[] = {
{ADV748X_PAGE_EOR, 0xff, 0xff} /* End of register table */
};
-/* 02-01 Analog CVBS to MIPI TX-B CSI 1-Lane - */
-/* Autodetect CVBS Single Ended In Ain 1 - MIPI Out */
-static const struct adv748x_reg_value adv748x_init_txb_1lane[] = {
-
+/* Initialize AFE core with YUV8 format. */
+static const struct adv748x_reg_value adv748x_init_afe[] = {
{ADV748X_PAGE_IO, 0x00, 0x30}, /* Disable chip powerdown Rx */
{ADV748X_PAGE_IO, 0xf2, 0x01}, /* Enable I2C Read Auto-Increment */
@@ -445,19 +442,18 @@ static int adv748x_reset(struct adv748x_state *state)
if (ret < 0)
return ret;
- /* Init and power down TXA */
- ret = adv748x_write_regs(state, adv748x_init_txa_4lane);
+ /* Initialize CP and AFE cores. */
+ ret = adv748x_write_regs(state, adv748x_init_hdmi);
if (ret)
return ret;
- adv748x_tx_power(&state->txa, 1);
- adv748x_tx_power(&state->txa, 0);
-
- /* Init and power down TXB */
- ret = adv748x_write_regs(state, adv748x_init_txb_1lane);
+ ret = adv748x_write_regs(state, adv748x_init_afe);
if (ret)
return ret;
+ /* Reset TXA and TXB */
+ adv748x_tx_power(&state->txa, 1);
+ adv748x_tx_power(&state->txa, 0);
adv748x_tx_power(&state->txb, 1);
adv748x_tx_power(&state->txb, 0);