drivers: display_st7789v: make functions static, cleanup
Make privat functions static, remove unused st7789v_cmd_read8(). Signed-off-by: Johann Fischer <j.fischer@phytec.de>
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1 changed files with 6 additions and 31 deletions
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@ -97,31 +97,6 @@ static void st7789v_reset_display(struct st7789v_data *data)
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#endif
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}
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int st7789v_cmd_read8(struct st7789v_data *data, int cmd, u8_t *pRet)
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{
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u8_t sendbuff[4];
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sendbuff[0] = cmd;
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const struct spi_buf tx_buf[2] = {
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{ .buf = sendbuff, .len = 1 },
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{ .buf = 0, .len = 1 },
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};
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const struct spi_buf rx_buf[2] = {
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{ .buf = 0, .len = 1 },
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{ .buf = pRet, .len = 1 }
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};
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struct spi_buf_set tx_bufs = { .buffers = tx_buf, .count = 2 };
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struct spi_buf_set rx_bufs = { .buffers = rx_buf, .count = 2 };
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st7789v_set_cmd(data, 1);
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int ret = spi_transceive(data->spi_dev, &data->spi_config, &tx_bufs,
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&rx_bufs);
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st7789v_set_cmd(data, 0);
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return ret;
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}
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static int st7789v_blanking_on(const struct device *dev)
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{
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struct st7789v_data *driver = (struct st7789v_data *)dev->driver_data;
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@ -212,24 +187,24 @@ static int st7789v_write(const struct device *dev,
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return 0;
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}
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void *st7789v_get_framebuffer(const struct device *dev)
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static void *st7789v_get_framebuffer(const struct device *dev)
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{
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return NULL;
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}
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int st7789v_set_brightness(const struct device *dev,
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static int st7789v_set_brightness(const struct device *dev,
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const u8_t brightness)
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{
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return -ENOTSUP;
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}
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int st7789v_set_contrast(const struct device *dev,
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static int st7789v_set_contrast(const struct device *dev,
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const u8_t contrast)
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{
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return -ENOTSUP;
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}
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void st7789v_get_capabilities(const struct device *dev,
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static void st7789v_get_capabilities(const struct device *dev,
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struct display_capabilities *capabilities)
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{
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struct st7789v_data *data = (struct st7789v_data *)dev->driver_data;
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@ -248,7 +223,7 @@ void st7789v_get_capabilities(const struct device *dev,
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capabilities->current_orientation = DISPLAY_ORIENTATION_NORMAL;
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}
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int st7789v_set_pixel_format(const struct device *dev,
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static int st7789v_set_pixel_format(const struct device *dev,
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const enum display_pixel_format pixel_format)
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{
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#ifdef CONFIG_ST7789V_RGB565
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@ -262,7 +237,7 @@ int st7789v_set_pixel_format(const struct device *dev,
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return -ENOTSUP;
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}
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int st7789v_set_orientation(const struct device *dev,
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static int st7789v_set_orientation(const struct device *dev,
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const enum display_orientation orientation)
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{
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if (orientation == DISPLAY_ORIENTATION_NORMAL) {
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