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path: root/drivers/gpu/drm/i2c/ch7006_mode.c
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Diffstat (limited to 'drivers/gpu/drm/i2c/ch7006_mode.c')
-rw-r--r--drivers/gpu/drm/i2c/ch7006_mode.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i2c/ch7006_mode.c b/drivers/gpu/drm/i2c/ch7006_mode.c
index 9b83574141a6..bb5f67f10edb 100644
--- a/drivers/gpu/drm/i2c/ch7006_mode.c
+++ b/drivers/gpu/drm/i2c/ch7006_mode.c
@@ -26,7 +26,7 @@
#include "ch7006_priv.h"
-char *ch7006_tv_norm_names[] = {
+const char * const ch7006_tv_norm_names[] = {
[TV_NORM_PAL] = "PAL",
[TV_NORM_PAL_M] = "PAL-M",
[TV_NORM_PAL_N] = "PAL-N",
@@ -46,7 +46,7 @@ char *ch7006_tv_norm_names[] = {
.vtotal = 625, \
.hvirtual = 810
-struct ch7006_tv_norm_info ch7006_tv_norms[] = {
+const struct ch7006_tv_norm_info ch7006_tv_norms[] = {
[TV_NORM_NTSC_M] = {
NTSC_LIKE_TIMINGS,
.black_level = 0.339 * fixed1,
@@ -142,7 +142,7 @@ struct ch7006_tv_norm_info ch7006_tv_norms[] = {
#define PAL_LIKE (1 << TV_NORM_PAL | 1 << TV_NORM_PAL_N | 1 << TV_NORM_PAL_NC)
-struct ch7006_mode ch7006_modes[] = {
+const struct ch7006_mode ch7006_modes[] = {
MODE(21000, 512, 384, 840, 500, N, N, 181.797557582, 5_4, 0x6, PAL_LIKE),
MODE(26250, 512, 384, 840, 625, N, N, 145.438046066, 1_1, 0x1, PAL_LIKE),
MODE(20140, 512, 384, 800, 420, N, N, 213.257083791, 5_4, 0x4, NTSC_LIKE),
@@ -171,11 +171,11 @@ struct ch7006_mode ch7006_modes[] = {
{}
};
-struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
- const struct drm_display_mode *drm_mode)
+const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
+ const struct drm_display_mode *drm_mode)
{
struct ch7006_priv *priv = to_ch7006_priv(encoder);
- struct ch7006_mode *mode;
+ const struct ch7006_mode *mode;
for (mode = ch7006_modes; mode->mode.clock; mode++) {
@@ -202,7 +202,7 @@ void ch7006_setup_levels(struct drm_encoder *encoder)
struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
struct ch7006_priv *priv = to_ch7006_priv(encoder);
uint8_t *regs = priv->state.regs;
- struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
+ const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
int gain;
int black_level;
@@ -233,8 +233,8 @@ void ch7006_setup_subcarrier(struct drm_encoder *encoder)
struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
struct ch7006_priv *priv = to_ch7006_priv(encoder);
struct ch7006_state *state = &priv->state;
- struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
- struct ch7006_mode *mode = priv->mode;
+ const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
+ const struct ch7006_mode *mode = priv->mode;
uint32_t subc_inc;
subc_inc = round_fixed((mode->subc_coeff >> 8)
@@ -257,7 +257,7 @@ void ch7006_setup_pll(struct drm_encoder *encoder)
struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
struct ch7006_priv *priv = to_ch7006_priv(encoder);
uint8_t *regs = priv->state.regs;
- struct ch7006_mode *mode = priv->mode;
+ const struct ch7006_mode *mode = priv->mode;
int n, best_n = 0;
int m, best_m = 0;
int freq, best_freq = 0;
@@ -328,9 +328,9 @@ void ch7006_setup_properties(struct drm_encoder *encoder)
struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
struct ch7006_priv *priv = to_ch7006_priv(encoder);
struct ch7006_state *state = &priv->state;
- struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
- struct ch7006_mode *ch_mode = priv->mode;
- struct drm_display_mode *mode = &ch_mode->mode;
+ const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
+ const struct ch7006_mode *ch_mode = priv->mode;
+ const struct drm_display_mode *mode = &ch_mode->mode;
uint8_t *regs = state->regs;
int flicker, contrast, hpos, vpos;
uint64_t scale, aspect;