Commit fbad26dc authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Neil Armstrong
Browse files

drm/panel: sitronix-st7789v: simplify st7789v_spi_write 



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

Reviewed-by: default avatarMichael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230714013756.1546769-7-sre@kernel.org
parent b6b65e45

drivers/gpu/drm/panel/panel-sitronix-st7789v.c

+1 −5
Original line number Diff line number Diff line
@@ -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)