diff options
Diffstat (limited to 'drivers/media/video/cx25840')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 19 | ||||
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-ir.c | 2 |
2 files changed, 18 insertions, 3 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index dfb198d..f164618 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -1989,8 +1989,23 @@ static int cx25840_probe(struct i2c_client *client, v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, V4L2_CID_HUE, -128, 127, 1, 0); if (!is_cx2583x(state)) { - default_volume = 228 - cx25840_read(client, 0x8d4); - default_volume = ((default_volume / 2) + 23) << 9; + default_volume = cx25840_read(client, 0x8d4); + /* + * Enforce the legacy PVR-350/MSP3400 to PVR-150/CX25843 volume + * scale mapping limits to avoid -ERANGE errors when + * initializing the volume control + */ + if (default_volume > 228) { + /* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */ + default_volume = 228; + cx25840_write(client, 0x8d4, 228); + } + else if (default_volume < 20) { + /* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */ + default_volume = 20; + cx25840_write(client, 0x8d4, 20); + } + default_volume = (((228 - default_volume) >> 1) + 23) << 9; state->volume = v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME, diff --git a/drivers/media/video/cx25840/cx25840-ir.c b/drivers/media/video/cx25840/cx25840-ir.c index a9d83b5..7eb79af 100644 --- a/drivers/media/video/cx25840/cx25840-ir.c +++ b/drivers/media/video/cx25840/cx25840-ir.c @@ -24,7 +24,7 @@ #include <linux/slab.h> #include <linux/kfifo.h> #include <media/cx25840.h> -#include <media/ir-core.h> +#include <media/rc-core.h> #include "cx25840-core.h" |