msm_fb: display: 7x27a support for panel auto detection.
Adding support for LCDC and MIPI panels auto detection
using boot params. If no boot params are given, default
MIPI CMD FWVGA Renesas gets picked up.
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-msm7x27a.c b/arch/arm/mach-msm/board-msm7x27a.c
index f51c61d..653afc6 100644
--- a/arch/arm/mach-msm/board-msm7x27a.c
+++ b/arch/arm/mach-msm/board-msm7x27a.c
@@ -1832,18 +1832,29 @@
}
};
+#define PANEL_NAME_MAX_LEN 30
+#define LCDC_TOSHIBA_FWVGA_PANEL_NAME "lcdc_toshiba_fwvga_pt"
+#define MIPI_CMD_RENESAS_FWVGA_PANEL_NAME "mipi_cmd_renesas_fwvga"
+
static int msm_fb_detect_panel(const char *name)
{
- int ret = -EPERM;
+ if (!strncmp(name, MIPI_CMD_RENESAS_FWVGA_PANEL_NAME,
+ strnlen(MIPI_CMD_RENESAS_FWVGA_PANEL_NAME,
+ PANEL_NAME_MAX_LEN)))
+ return 0;
- if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf()) {
- if (!strncmp(name, "lcdc_toshiba_fwvga_pt", 21))
- ret = 0;
- } else {
- ret = -ENODEV;
- }
-
- return ret;
+#if !defined(CONFIG_FB_MSM_LCDC_AUTO_DETECT) && \
+ !defined(CONFIG_FB_MSM_MIPI_PANEL_AUTO_DETECT) && \
+ !defined(CONFIG_FB_MSM_LCDC_MIPI_PANEL_AUTO_DETECT)
+ if (machine_is_msm7x27a_surf() ||
+ machine_is_msm7625a_surf()) {
+ if (!strncmp(name, LCDC_TOSHIBA_FWVGA_PANEL_NAME,
+ strnlen(LCDC_TOSHIBA_FWVGA_PANEL_NAME,
+ PANEL_NAME_MAX_LEN)))
+ return 0;
+ }
+#endif
+ return -ENODEV;
}
static struct msm_fb_platform_data msm_fb_pdata = {