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drm/panel: sitronix-st7789v: simplify st7789v_spi_write

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st7789v_spi_write initializes a message with just
a single transfer, spi_sync_transfer can be used
for that.

Reviewed-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230714013756.1546769-7-sre@kernel.org
This commit is contained in:
Sebastian Reichel 2023-07-14 03:37:43 +02:00 committed by Neil Armstrong
parent b6b65e45e0
commit fbad26dcb6
1 changed files with 1 additions and 5 deletions
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6
drivers/gpu/drm/panel/panel-sitronix-st7789v.c
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@ -129,17 +129,13 @@ static int st7789v_spi_write(struct st7789v *ctx, enum st7789v_prefix prefix,
u8 data)
{
struct spi_transfer xfer = { };
struct spi_message msg;
u16 txbuf = ((prefix & 1) << 8) | data;
spi_message_init(&msg);
xfer.tx_buf = &txbuf;
xfer.bits_per_word = 9;
xfer.len = sizeof(txbuf);
spi_message_add_tail(&xfer, &msg);
return spi_sync(ctx->spi, &msg);
return spi_sync_transfer(ctx->spi, &xfer, 1);
}
static int st7789v_write_command(struct st7789v *ctx, u8 cmd)