drivers/lcd: Add ioctl to get LCD panel ID #7103
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- Add LCDDEVIO_GETPANELID ioctl command to read 24-bit panel ID. - Implement getpanelid in MIPI LCD driver with lazy init and caching. - Require CMD mode for panel ID read operation. Signed-off-by: seokhun-eom <seokhun.eom@samsung.com>
- Add lcd_get_panelid() to retrieve and display the 24-bit LCD panel ID. - Update show_usage() and main() to support the "panelid" command. [USAGE] ``` TASH>>lcd_test panelid TASH>>LCD Panel ID: 0x010000 ``` Signed-off-by: seokhun-eom <seokhun.eom@samsung.com>
anjana348
reviewed
Dec 29, 2025
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| static struct mipi_lcd_dev_s g_lcdcdev; | ||
| static bool g_panelid_initialized = false; |
Contributor
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we can use private struct variable instead of global.?
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Or, we can add it into get_lcdinfo.
ewoodev
reviewed
Dec 29, 2025
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| static struct mipi_lcd_dev_s g_lcdcdev; | ||
| static bool g_panelid_initialized = false; |
Contributor
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Or, we can add it into get_lcdinfo.
| FAR struct mipi_lcd_dev_s *priv = (FAR struct mipi_lcd_dev_s *)dev; | ||
| int status; | ||
| lcd_mode_t original_mode; | ||
| lcm_setting_table_t read_id_cmd = {0x04, 0, {0x00}}; |
Contributor
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is This command DSC?
If it is specific command, we can wrapping this command to configure or new lcd sepecific api
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drivers/lcd
examples
[USAGE]